arm: Re-sync ARCH_MX5 / MX51 / MX53 CONFIG options

A few boards had not been fully re-synced with CONFIG_ARCH_MX5 / CONFIG_MX51 /
CONFIG_MX53 being in Kconfig.  Do so now.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/ts4800_defconfig b/configs/ts4800_defconfig
index 255eedf..5a4bf27 100644
--- a/configs/ts4800_defconfig
+++ b/configs/ts4800_defconfig
@@ -1,7 +1,7 @@
 CONFIG_ARM=y
+CONFIG_ARCH_MX5=y
 CONFIG_TARGET_TS4800=y
 CONFIG_BOOTDELAY=1
-CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set