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/mt_ventoux_defconfig b/configs/mt_ventoux_defconfig
index b4be5a17..0bf3c89 100644
--- a/configs/mt_ventoux_defconfig
+++ b/configs/mt_ventoux_defconfig
@@ -27,6 +27,8 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1m(u-boot),256k(env1),256k(env2),8m(ubisystem),-(rootfs)"
 CONFIG_CMD_UBI=y
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_MMC_OMAP_HS=y