Convert CONFIG_SYS_FLASH_EMPTY_INFO to Kconfig
This converts the following to Kconfig:
CONFIG_SYS_FLASH_EMPTY_INFO
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/P2020RDB-PC_36BIT_defconfig b/configs/P2020RDB-PC_36BIT_defconfig
index c1a5ef9..0d697db 100644
--- a/configs/P2020RDB-PC_36BIT_defconfig
+++ b/configs/P2020RDB-PC_36BIT_defconfig
@@ -81,6 +81,7 @@
CONFIG_MTD_NOR_FLASH=y
CONFIG_FLASH_CFI_DRIVER=y
CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
+CONFIG_SYS_FLASH_EMPTY_INFO=y
CONFIG_FLASH_CFI_MTD=y
CONFIG_SYS_FLASH_CFI=y
CONFIG_DM_SPI_FLASH=y