ata: Migrate CONFIG_SCSI_AHCI to Kconfig

And use 'imply' liberally.

Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e50ba93..7390995 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -850,6 +850,7 @@
 	select SUPPORT_SPL
 	select ARCH_MISC_INIT
 	imply SCSI
+	imply SCSI_AHCI
 	help
 	  Support for Freescale LS2080AQDS platform
 	  The LS2080A Development System (QDS) is a high-performance
@@ -865,6 +866,7 @@
 	select SUPPORT_SPL
 	select ARCH_MISC_INIT
 	imply SCSI
+	imply SCSI_AHCI
 	help
 	  Support for Freescale LS2080ARDB platform.
 	  The LS2080A Reference design board (RDB) is a high-performance
@@ -926,6 +928,7 @@
 	select ARM64
 	select BOARD_LATE_INIT
 	imply SCSI
+	imply SCSI_AHCI
 	help
 	  Support for Freescale LS1012ARDB platform.
 	  The LS1012A Reference design board (RDB) is a high-performance
diff --git a/arch/arm/cpu/armv7/ls102xa/Kconfig b/arch/arm/cpu/armv7/ls102xa/Kconfig
index 20e2b1a..635358e 100644
--- a/arch/arm/cpu/armv7/ls102xa/Kconfig
+++ b/arch/arm/cpu/armv7/ls102xa/Kconfig
@@ -20,6 +20,7 @@
 	select SYS_FSL_SEC_COMPAT_5
 	select SYS_FSL_SEC_LE
 	imply SCSI
+	imply SCSI_AHCI
 	imply CMD_PCI
 
 menu "LS102xA architecture"
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index 5a75920..66bc32c 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -35,6 +35,7 @@
 	select ARCH_EARLY_INIT_R
 	select BOARD_EARLY_INIT_F
 	imply SCSI
+	imply SCSI_AHCI
 	imply CMD_PCI
 
 config ARCH_LS1046A
@@ -61,6 +62,7 @@
 	select ARCH_EARLY_INIT_R
 	select BOARD_EARLY_INIT_F
 	imply SCSI
+	imply SCSI_AHCI
 
 config ARCH_LS1088A
 	bool
diff --git a/arch/arm/include/asm/arch-ls102xa/config.h b/arch/arm/include/asm/arch-ls102xa/config.h
index ff0fc47..2fbd4ef 100644
--- a/arch/arm/include/asm/arch-ls102xa/config.h
+++ b/arch/arm/include/asm/arch-ls102xa/config.h
@@ -81,7 +81,6 @@
 /* SATA */
 #define AHCI_BASE_ADDR				(CONFIG_SYS_IMMR + 0x02200000)
 #define CONFIG_LIBATA
-#define CONFIG_SCSI_AHCI
 #define CONFIG_SCSI_AHCI_PLAT
 #define CONFIG_SYS_SCSI_MAX_SCSI_ID		1
 #define CONFIG_SYS_SCSI_MAX_LUN		1
diff --git a/arch/x86/cpu/baytrail/Kconfig b/arch/x86/cpu/baytrail/Kconfig
index 1d876b1..f47beda 100644
--- a/arch/x86/cpu/baytrail/Kconfig
+++ b/arch/x86/cpu/baytrail/Kconfig
@@ -19,6 +19,7 @@
 	imply MMC_SDHCI
 	imply MMC_SDHCI_SDMA
 	imply SCSI
+	imply SCSI_AHCI
 	imply SPI_FLASH
 	imply SYS_NS16550
 	imply USB
diff --git a/arch/x86/cpu/braswell/Kconfig b/arch/x86/cpu/braswell/Kconfig
index 31ac279..042ad2b 100644
--- a/arch/x86/cpu/braswell/Kconfig
+++ b/arch/x86/cpu/braswell/Kconfig
@@ -19,6 +19,7 @@
 	imply MMC_SDHCI
 	imply MMC_SDHCI_SDMA
 	imply SCSI
+	imply SCSI_AHCI
 	imply SPI_FLASH
 	imply SYS_NS16550
 	imply USB
diff --git a/arch/x86/cpu/broadwell/Kconfig b/arch/x86/cpu/broadwell/Kconfig
index bc2dba2..42018dc 100644
--- a/arch/x86/cpu/broadwell/Kconfig
+++ b/arch/x86/cpu/broadwell/Kconfig
@@ -13,6 +13,7 @@
 	imply ICH_SPI
 	imply INTEL_BROADWELL_GPIO
 	imply SCSI
+	imply SCSI_AHCI
 	imply SPI_FLASH
 	imply USB
 	imply USB_EHCI_HCD
diff --git a/arch/x86/cpu/coreboot/Kconfig b/arch/x86/cpu/coreboot/Kconfig
index 60eb45f..fa3b64f 100644
--- a/arch/x86/cpu/coreboot/Kconfig
+++ b/arch/x86/cpu/coreboot/Kconfig
@@ -10,6 +10,7 @@
 	imply MMC_PCI
 	imply MMC_SDHCI
 	imply MMC_SDHCI_SDMA
+	imply SCSI_AHCI
 	imply SPI_FLASH
 	imply SYS_NS16550
 	imply USB
diff --git a/arch/x86/cpu/ivybridge/Kconfig b/arch/x86/cpu/ivybridge/Kconfig
index c214ea0..85ea6c9 100644
--- a/arch/x86/cpu/ivybridge/Kconfig
+++ b/arch/x86/cpu/ivybridge/Kconfig
@@ -14,6 +14,7 @@
 	imply ICH_SPI
 	imply INTEL_ICH6_GPIO
 	imply SCSI
+	imply SCSI_AHCI
 	imply SPI_FLASH
 	imply USB
 	imply USB_EHCI_HCD
diff --git a/arch/x86/cpu/qemu/Kconfig b/arch/x86/cpu/qemu/Kconfig
index 81444f3..0a801aa 100644
--- a/arch/x86/cpu/qemu/Kconfig
+++ b/arch/x86/cpu/qemu/Kconfig
@@ -9,6 +9,7 @@
 	select ARCH_EARLY_INIT_R
 	imply AHCI_PCI
 	imply E1000
+	imply SCSI_AHCI
 	imply SYS_NS16550
 	imply USB
 	imply USB_EHCI_HCD
diff --git a/arch/x86/cpu/queensbay/Kconfig b/arch/x86/cpu/queensbay/Kconfig
index 835de85..460ede0 100644
--- a/arch/x86/cpu/queensbay/Kconfig
+++ b/arch/x86/cpu/queensbay/Kconfig
@@ -18,6 +18,7 @@
 	imply MMC_SDHCI_SDMA
 	imply PCH_GBE
 	imply SCSI
+	imply SCSI_AHCI
 	imply SPI_FLASH
 	imply SYS_NS16550
 	imply USB