Convert CONFIG_SPL_EXT_SUPPORT to Kconfig

Move this option to Kconfig and tidy up existing uses.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/arm/cpu/armv7/am33xx/Kconfig

 if AM43XX
+
+config SPL_EXT_SUPPORT
+	default y
+
 config TARGET_AM43XX_EVM
 	bool "Support am43xx_evm"
 	select TI_I2C_BOARD_DETECT

arch/arm/cpu/armv7/omap3/Kconfig

 if OMAP34XX
 
+config SPL_EXT_SUPPORT
+	default y
+
 choice
 	prompt "OMAP3 board select"
 	optional

arch/arm/cpu/armv7/omap4/Kconfig

 if OMAP44XX
 
+config SPL_EXT_SUPPORT
+	default y
+
 choice
 	prompt "OMAP4 board select"
 	optional

arch/arm/cpu/armv7/omap5/Kconfig

 if OMAP54XX
 
+config SPL_EXT_SUPPORT
+	default y
+
 choice
 	prompt "OMAP5 board select"
 	optional

board/ti/common/Kconfig

@@ -6,3 +6,6 @@ config TI_I2C_BOARD_DETECT
 	help
 	   Support for detection board information on Texas Instrument's
 	   Evaluation Boards which have I2C based EEPROM detection
+
+config SPL_EXT_SUPPORT
+	default y

configs/am335x_baltos_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_AM335X_BALTOS=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y

configs/am335x_igep0033_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_AM335X_IGEP0033=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_SPL=y
 CONFIG_SPL_STACK_R=y

configs/am335x_shc_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_AM335X_SHC=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SERIES=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_FIT=y

configs/am335x_shc_ict_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_AM335X_SHC=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SHC_ICT=y
 CONFIG_SERIES=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000

configs/am335x_shc_netboot_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_AM335X_SHC=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SPL_ENV_SUPPORT=y
 CONFIG_SHC_NETBOOT=y
 CONFIG_SERIES=y

configs/am335x_shc_prompt_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_AM335X_SHC=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SERIES=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_FIT=y

configs/am335x_shc_sdboot_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_AM335X_SHC=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SHC_SDBOOT=y
 CONFIG_SERIES=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000

configs/am335x_shc_sdboot_prompt_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_AM335X_SHC=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SHC_SDBOOT=y
 CONFIG_SERIES=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000

configs/am335x_sl50_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_AM335X_SL50=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SPL_ENV_SUPPORT=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_FIT=y

configs/am3517_crane_defconfig

@@ -3,6 +3,7 @@ CONFIG_OMAP34XX=y
 CONFIG_TARGET_AM3517_CRANE=y
 CONFIG_BOOTDELAY=10
 CONFIG_SPL=y
+# CONFIG_SPL_EXT_SUPPORT is not set
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="AM3517_CRANE # "
 # CONFIG_CMD_IMI is not set

configs/am3517_evm_defconfig

@@ -6,6 +6,7 @@ CONFIG_SYS_EXTRA_OPTIONS="NAND"
 CONFIG_BOOTDELAY=10
 CONFIG_VERSION_VARIABLE=y
 CONFIG_SPL=y
+# CONFIG_SPL_EXT_SUPPORT is not set
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="AM3517_EVM # "
 CONFIG_CMD_BOOTZ=y

configs/birdland_bav335a_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_BAV335X=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_BAV_VERSION=1
 CONFIG_FIT=y
 CONFIG_SYS_EXTRA_OPTIONS="SERIAL1,CONS_INDEX=1"

configs/birdland_bav335b_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_BAV335X=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_BAV_VERSION=2
 CONFIG_FIT=y
 CONFIG_SYS_EXTRA_OPTIONS="SERIAL1,CONS_INDEX=1"

configs/cgtqmx6eval_defconfig

 CONFIG_ARM=y
 CONFIG_ARCH_MX6=y
 CONFIG_TARGET_CGTQMX6EVAL=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,SPL,MX6QDL"
 CONFIG_BOOTDELAY=3
 CONFIG_SPL=y

configs/cm_t335_defconfig

 CONFIG_ARM=y
 CONFIG_TARGET_CM_T335=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SPL=y
 CONFIG_VERSION_VARIABLE=y
 CONFIG_HUSH_PARSER=y