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/tqma6q_mba6_spi_defconfig b/configs/tqma6q_mba6_spi_defconfig
index 3ec25c8..e273809 100644
--- a/configs/tqma6q_mba6_spi_defconfig
+++ b/configs/tqma6q_mba6_spi_defconfig
@@ -5,6 +5,7 @@
CONFIG_FIT=y
CONFIG_FIT_VERBOSE=y
CONFIG_OF_BOARD_SETUP=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
CONFIG_BOOTDELAY=3
CONFIG_DEFAULT_FDT_FILE="imx6q-mba6x.dtb"
CONFIG_BOARD_EARLY_INIT_F=y