Convert CONFIG_BOOTFILE to Kconfig
This converts the following to Kconfig:
CONFIG_BOOTFILE
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/P2020RDB-PC_36BIT_SPIFLASH_defconfig b/configs/P2020RDB-PC_36BIT_SPIFLASH_defconfig
index 7b53b02..2078af2 100644
--- a/configs/P2020RDB-PC_36BIT_SPIFLASH_defconfig
+++ b/configs/P2020RDB-PC_36BIT_SPIFLASH_defconfig
@@ -54,6 +54,8 @@
CONFIG_ENV_OVERWRITE=y
CONFIG_ENV_IS_IN_SPI_FLASH=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_USE_BOOTFILE=y
+CONFIG_BOOTFILE="uImage"
CONFIG_DM=y
CONFIG_DDR_CLK_FREQ=66666666
CONFIG_SYS_BR0_PRELIM_BOOL=y