Convert CONFIG_ENV_IS_IN_SPI_FLASH to Kconfig
This converts the following to Kconfig:
CONFIG_ENV_IS_IN_SPI_FLASH
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/brppt1_spi_defconfig b/configs/brppt1_spi_defconfig
index 0162e5c..1e156ca 100644
--- a/configs/brppt1_spi_defconfig
+++ b/configs/brppt1_spi_defconfig
@@ -13,6 +13,7 @@
CONFIG_OF_BOARD_SETUP=y
CONFIG_SYS_EXTRA_OPTIONS="SERIAL1,CONS_INDEX=1,SPI_BOOT,EMMC_BOOT"
CONFIG_SPI_BOOT=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
CONFIG_BOOTDELAY=-2
# CONFIG_CONSOLE_MUX is not set
CONFIG_SYS_CONSOLE_IS_IN_ENV=y