Convert CONFIG_FLASH_CFI_DRIVER et al to Kconfig

This converts the following to Kconfig:
   CONFIG_FLASH_CFI_DRIVER
   CONFIG_SYS_FLASH_USE_BUFFER_WRITE
   CONFIG_FLASH_CFI_MTD
   CONFIG_SYS_FLASH_PROTECTION
   CONFIG_SYS_FLASH_CFI

Signed-off-by: Adam Ford <aford173@gmail.com>
[trini: Re-migrate]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/ls1021atwr_nor_defconfig b/configs/ls1021atwr_nor_defconfig
index c226863..582f521 100644
--- a/configs/ls1021atwr_nor_defconfig
+++ b/configs/ls1021atwr_nor_defconfig
@@ -1,6 +1,7 @@
 CONFIG_ARM=y
 CONFIG_TARGET_LS1021ATWR=y
 CONFIG_SYS_TEXT_BASE=0x60100000
+CONFIG_AHCI=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_FIT=y
@@ -28,9 +29,14 @@
 CONFIG_DEFAULT_DEVICE_TREE="ls1021a-twr-duart"
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_DM=y
+CONFIG_SATA_CEVA=y
 CONFIG_FSL_CAAM=y
+CONFIG_DM_MMC=y
 CONFIG_FSL_ESDHC=y
 CONFIG_MTD_NOR_FLASH=y
+CONFIG_FLASH_CFI_DRIVER=y
+CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
+CONFIG_SYS_FLASH_CFI=y
 CONFIG_PHY_GIGE=y
 CONFIG_E1000=y
 CONFIG_MII=y
@@ -39,6 +45,7 @@
 CONFIG_DM_PCI=y
 CONFIG_DM_PCI_COMPAT=y
 CONFIG_PCIE_LAYERSCAPE=y
+CONFIG_DM_SCSI=y
 CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
@@ -50,10 +57,3 @@
 CONFIG_VIDEO_FSL_DCU_FB=y
 CONFIG_VIDEO=y
 # CONFIG_VIDEO_SW_CURSOR is not set
-CONFIG_BLK=y
-CONFIG_DM_MMC=y
-CONFIG_DM_SCSI=y
-CONFIG_SATA_CEVA=y
-CONFIG_SCSI_AHCI=y
-CONFIG_SCSI=y
-CONFIG_AHCI=y