Kconfig: Migrate MTDIDS_DEFAULT / MTDPARTS_DEFAULT

We move all instances of CONFIG_MTDIDS_DEFAULT and
CONFIG_MTDPARTS_DEFAULT from the header files to the defconfig files.
There's a few cases here where we need to expand upon what was in the
header file.

Tested-by: Adam Ford <aford173@gmail.com>  #omap3_logic
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/m53evk_defconfig b/configs/m53evk_defconfig
index a28cfd2..291144d 100644
--- a/configs/m53evk_defconfig
+++ b/configs/m53evk_defconfig
@@ -35,6 +35,8 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_MTDIDS_DEFAULT="nand0=mxc_nand"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=mxc_nand:1024k(u-boot),512k(env1),512k(env2),14m(boot),240m(data),-@2048k(UBI)"
 CONFIG_CMD_UBI=y
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_NAND=y