Cleanup CONFIG_VERSION_VARIABLE migration

CONFIG_VERSION_VARIABLE had already been mostly migrated to Kconfig,
but two headers still referenced it. Also set defaults so that
most of the defconfigs inherit the default rather than needing it
to be set explicitly.
Signed-off-by: NAlex Kiernan <alex.kiernan@gmail.com>
Reviewed-by: NPetr Vorel <petr.vorel@gmail.com>

README

@@ -812,14 +812,6 @@ The following options need to be configured:
 		CONFIG_AT91_HW_WDT_TIMEOUT
 		specify the timeout in seconds. default 2 seconds.
 
-- U-Boot Version:
-		CONFIG_VERSION_VARIABLE
-		If this variable is defined, an environment variable
-		named "ver" is created by U-Boot showing the U-Boot
-		version as printed by the "version" command.
-		Any change to this variable will be reverted at the
-		next reset.
-
 - Real-Time Clock:
 
 		When CONFIG_CMD_DATE is selected, the type of the RTC

configs/apalis_imx6_defconfig

@@ -14,6 +14,7 @@ CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg,MX6Q"
 CONFIG_BOOTDELAY=1
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SUPPORT_RAW_INITRD=y
+CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_BOARD_EARLY_INIT_F=y

configs/apalis_imx6_nospl_com_defconfig

@@ -9,6 +9,7 @@ CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/toradex/apalis_imx6/apalis_imx6q.cfg,
 CONFIG_BOOTDELAY=1
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SUPPORT_RAW_INITRD=y
+CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_BOARD_EARLY_INIT_F=y

configs/apalis_imx6_nospl_it_defconfig

@@ -9,6 +9,7 @@ CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/toradex/apalis_imx6/apalis_imx6q.cfg,
 CONFIG_BOOTDELAY=1
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SUPPORT_RAW_INITRD=y
+CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_BOARD_EARLY_INIT_F=y

configs/colibri_imx6_defconfig

@@ -14,6 +14,7 @@ CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg,MX6DL"
 CONFIG_BOOTDELAY=1
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SUPPORT_RAW_INITRD=y
+CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_BOARD_EARLY_INIT_F=y

configs/colibri_imx6_nospl_defconfig

@@ -9,6 +9,7 @@ CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/toradex/colibri_imx6/colibri_imx6.cfg
 CONFIG_BOOTDELAY=1
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SUPPORT_RAW_INITRD=y
+CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_BOARD_EARLY_INIT_F=y

include/configs/apalis_imx6.h

@@ -38,9 +38,6 @@
 #define CONFIG_MXC_UART
 #define CONFIG_MXC_UART_BASE		UART1_BASE
 
-/* Make the HW version stuff available in U-Boot env */
-#define CONFIG_VERSION_VARIABLE		/* ver environment variable */
-
 /* I2C Configs */
 #define CONFIG_SYS_I2C
 #define CONFIG_SYS_I2C_MXC

include/configs/colibri_imx6.h

@@ -36,9 +36,6 @@
 #define CONFIG_MXC_UART
 #define CONFIG_MXC_UART_BASE		UART1_BASE
 
-/* Make the HW version stuff available in U-Boot env */
-#define CONFIG_VERSION_VARIABLE		/* ver environment variable */
-
 /* I2C Configs */
 #define CONFIG_SYS_I2C
 #define CONFIG_SYS_I2C_MXC