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/uniphier_ld4_sld8_defconfig b/configs/uniphier_ld4_sld8_defconfig
index 7afdd7c..d9400b8 100644
--- a/configs/uniphier_ld4_sld8_defconfig
+++ b/configs/uniphier_ld4_sld8_defconfig
@@ -24,7 +24,6 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y
 # CONFIG_CMD_MISC is not set
-CONFIG_CMD_MTDPARTS=y
 CONFIG_MTDIDS_DEFAULT="nand0=uniphier-nand.0"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=uniphier-nand.0:1m(firmware),-(UBI)"
 CONFIG_CMD_UBI=y
@@ -37,7 +36,8 @@
 CONFIG_I2C_EEPROM=y
 CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS=10
 CONFIG_MMC_UNIPHIER=y
-CONFIG_MTD_PARTITIONS=y
+CONFIG_FLASH_CFI_DRIVER=y
+CONFIG_SYS_FLASH_CFI=y
 CONFIG_NAND=y
 CONFIG_NAND_DENALI_DT=y
 CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES=8