TI: Migrate board/ti/common/Kconfig to imply

The option that we had set in board/ti/common/Kconfig as default y are
best done with imply under the appropriate main Kconfig option instead.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e84b74e..5e18384 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -579,6 +579,19 @@
 config OMAP54XX
 	bool "OMAP54XX SoC"
 	select ARCH_OMAP2
+	imply SPL_DISPLAY_PRINT
+	imply SPL_ENV_SUPPORT
+	imply SPL_EXT_SUPPORT
+	imply SPL_FAT_SUPPORT
+	imply SPL_GPIO_SUPPORT
+	imply SPL_I2C_SUPPORT
+	imply SPL_LIBCOMMON_SUPPORT
+	imply SPL_LIBDISK_SUPPORT
+	imply SPL_LIBGENERIC_SUPPORT
+	imply SPL_MMC_SUPPORT
+	imply SPL_NAND_SUPPORT
+	imply SPL_POWER_SUPPORT
+	imply SPL_SERIAL_SUPPORT
 
 config AM43XX
 	bool "AM43XX SoC"