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/vct_platinum_onenand_defconfig b/configs/vct_platinum_onenand_defconfig
index 9c41e39..d25d71b 100644
--- a/configs/vct_platinum_onenand_defconfig
+++ b/configs/vct_platinum_onenand_defconfig
@@ -16,6 +16,8 @@
 CONFIG_CMD_SNTP=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_JFFS2=y
+CONFIG_MTDIDS_DEFAULT="onenand0=onenand"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=onenand:128k(u-boot),128k(env),20m(kernel),-(rootfs)"
 CONFIG_CMD_UBI=y
 # CONFIG_CMD_UBIFS is not set
 CONFIG_ENV_IS_IN_ONENAND=y