Convert CONFIG_DEFAULT_SPI_* to Kconfig

This converts the following to Kconfig:
   CONFIG_DEFAULT_SPI_BUS
   CONFIG_DEFAULT_SPI_MODE

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 4bcc5c4..0b07b3b 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1040,10 +1040,20 @@
 	  everything is working properly.
 
 config CMD_SPI
-	bool "sspi"
+	bool "sspi - Command to access spi device"
 	help
 	  SPI utility command.
 
+config DEFAULT_SPI_BUS
+	int "default spi bus used by sspi command"
+	depends on CMD_SPI
+	default 0
+
+config DEFAULT_SPI_MODE
+	hex "default spi mode used by sspi command (see include/spi.h)"
+	depends on CMD_SPI
+	default 0
+
 config CMD_TSI148
 	bool "tsi148 - Command to access tsi148 device"
 	help
diff --git a/cmd/spi.c b/cmd/spi.c
index 9a2edcf..75226fd 100644
--- a/cmd/spi.c
+++ b/cmd/spi.c
@@ -22,13 +22,6 @@
 #   define MAX_SPI_BYTES 32	/* Maximum number of bytes we can handle */
 #endif
 
-#ifndef CONFIG_DEFAULT_SPI_BUS
-#   define CONFIG_DEFAULT_SPI_BUS	0
-#endif
-#ifndef CONFIG_DEFAULT_SPI_MODE
-#   define CONFIG_DEFAULT_SPI_MODE	SPI_MODE_0
-#endif
-
 /*
  * Values from last command.
  */
diff --git a/configs/bg0900_defconfig b/configs/bg0900_defconfig
index a8b5f86..2c4d3e3 100644
--- a/configs/bg0900_defconfig
+++ b/configs/bg0900_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_NAND_TRIMFFS=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
+CONFIG_DEFAULT_SPI_BUS=2
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
diff --git a/configs/ls1012aqds_qspi_defconfig b/configs/ls1012aqds_qspi_defconfig
index 1bf9343..d2c3eea 100644
--- a/configs/ls1012aqds_qspi_defconfig
+++ b/configs/ls1012aqds_qspi_defconfig
@@ -27,7 +27,10 @@
 CONFIG_CMD_MMC=y
 CONFIG_CMD_PCI=y
 CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+CONFIG_DEFAULT_SPI_BUS=1
 CONFIG_CMD_USB=y
+CONFIG_DEFAULT_SPI_BUS=1
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_DATE=y
diff --git a/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig b/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig
index 747fa3d..9a6139e 100644
--- a/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig
+++ b/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig
@@ -27,6 +27,8 @@
 CONFIG_CMD_MMC=y
 CONFIG_CMD_PCI=y
 CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+CONFIG_DEFAULT_SPI_BUS=1
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
diff --git a/configs/ls1012aqds_tfa_defconfig b/configs/ls1012aqds_tfa_defconfig
index a41757d..d18d40a 100644
--- a/configs/ls1012aqds_tfa_defconfig
+++ b/configs/ls1012aqds_tfa_defconfig
@@ -27,6 +27,8 @@
 CONFIG_CMD_MMC=y
 CONFIG_CMD_PCI=y
 CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+CONFIG_DEFAULT_SPI_BUS=1
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
diff --git a/configs/mx28evk_auart_console_defconfig b/configs/mx28evk_auart_console_defconfig
index beb10c4..c54b933 100644
--- a/configs/mx28evk_auart_console_defconfig
+++ b/configs/mx28evk_auart_console_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_NAND_TRIMFFS=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
+CONFIG_DEFAULT_SPI_BUS=2
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
diff --git a/configs/mx28evk_defconfig b/configs/mx28evk_defconfig
index be1feb3..187467d 100644
--- a/configs/mx28evk_defconfig
+++ b/configs/mx28evk_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_NAND_TRIMFFS=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
+CONFIG_DEFAULT_SPI_BUS=2
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
diff --git a/configs/mx28evk_nand_defconfig b/configs/mx28evk_nand_defconfig
index 61e3586..7d891e7 100644
--- a/configs/mx28evk_nand_defconfig
+++ b/configs/mx28evk_nand_defconfig
@@ -22,6 +22,7 @@
 CONFIG_CMD_NAND_TRIMFFS=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
+CONFIG_DEFAULT_SPI_BUS=2
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
diff --git a/configs/mx28evk_spi_defconfig b/configs/mx28evk_spi_defconfig
index 3198baf..cb5b1b3 100644
--- a/configs/mx28evk_spi_defconfig
+++ b/configs/mx28evk_spi_defconfig
@@ -22,6 +22,7 @@
 CONFIG_CMD_NAND_TRIMFFS=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
+CONFIG_DEFAULT_SPI_BUS=2
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
diff --git a/configs/mx31pdk_defconfig b/configs/mx31pdk_defconfig
index c6dcb45..2267818 100644
--- a/configs/mx31pdk_defconfig
+++ b/configs/mx31pdk_defconfig
@@ -13,6 +13,8 @@
 # CONFIG_AUTO_COMPLETE is not set
 CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_SPI=y
+CONFIG_DEFAULT_SPI_BUS=1
+CONFIG_DEFAULT_SPI_MODE=4
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
diff --git a/include/configs/bg0900.h b/include/configs/bg0900.h
index 32b975f..0c3d54a 100644
--- a/include/configs/bg0900.h
+++ b/include/configs/bg0900.h
@@ -19,11 +19,6 @@
 #define CONFIG_FEC_MXC
 #endif
 
-/* SPI */
-#ifdef CONFIG_CMD_SPI
-#define CONFIG_DEFAULT_SPI_BUS		2
-#define CONFIG_DEFAULT_SPI_MODE		SPI_MODE_0
-
 /* SPI FLASH */
 #ifdef CONFIG_CMD_SF
 #define CONFIG_ENV_SPI_BUS		2
@@ -32,8 +27,6 @@
 #define CONFIG_ENV_SPI_MODE		SPI_MODE_0
 #endif
 
-#endif
-
 /* Boot Linux */
 #define CONFIG_BOOTFILE		"uImage"
 #define CONFIG_BOOTCOMMAND	"bootm"
diff --git a/include/configs/cl-som-am57x.h b/include/configs/cl-som-am57x.h
index c9e80c2..687a9e7 100644
--- a/include/configs/cl-som-am57x.h
+++ b/include/configs/cl-som-am57x.h
@@ -27,7 +27,6 @@
 
 /* SPI Flash support */
 #define CONFIG_TI_SPI_MMAP
-#define CONFIG_DEFAULT_SPI_MODE		SPI_MODE_3
 
 /* SPI SPL defines */
 /* Offsets: 0K - SPL1, 64K - SPL2, 128K - SPL3, 192K - SPL4, 256K - U-Boot */
diff --git a/include/configs/ls1012aqds.h b/include/configs/ls1012aqds.h
index aac782d..fb0d1ba 100644
--- a/include/configs/ls1012aqds.h
+++ b/include/configs/ls1012aqds.h
@@ -74,9 +74,7 @@
 
 /* DSPI */
 #define CONFIG_FSL_DSPI1
-#define CONFIG_DEFAULT_SPI_BUS 1
 
-#define CONFIG_CMD_SPI
 #define MMAP_DSPI          DSPI1_BASE_ADDR
 
 #define CONFIG_SYS_DSPI_CTAR0   1
diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h
index 82ac6cc..a078e3a 100644
--- a/include/configs/mx28evk.h
+++ b/include/configs/mx28evk.h
@@ -74,12 +74,6 @@
 #define CONFIG_USB_MAX_CONTROLLER_COUNT	1
 #endif
 
-/* SPI */
-#ifdef CONFIG_CMD_SPI
-#define CONFIG_DEFAULT_SPI_BUS		2
-#define CONFIG_DEFAULT_SPI_MODE		SPI_MODE_0
-#endif
-
 /* Framebuffer support */
 #ifdef CONFIG_VIDEO
 #define CONFIG_VIDEO_LOGO
diff --git a/include/configs/mx31pdk.h b/include/configs/mx31pdk.h
index 4765764..993d131 100644
--- a/include/configs/mx31pdk.h
+++ b/include/configs/mx31pdk.h
@@ -43,9 +43,6 @@
 #define CONFIG_MXC_UART
 #define CONFIG_MXC_UART_BASE	UART1_BASE
 
-#define CONFIG_DEFAULT_SPI_BUS	1
-#define CONFIG_DEFAULT_SPI_MODE	(SPI_MODE_0 | SPI_CS_HIGH)
-
 /* PMIC Controller */
 #define CONFIG_POWER
 #define CONFIG_POWER_SPI
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index f8de254..8c7c159 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -340,8 +340,6 @@
 CONFIG_DEFAULT
 CONFIG_DEFAULT_CONSOLE
 CONFIG_DEFAULT_IMMR
-CONFIG_DEFAULT_SPI_BUS
-CONFIG_DEFAULT_SPI_MODE
 CONFIG_DEF_HWCONFIG
 CONFIG_DELAY_ENVIRONMENT
 CONFIG_DESIGNWARE_ETH