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/P2020RDB-PC_SPIFLASH_defconfig b/configs/P2020RDB-PC_SPIFLASH_defconfig
index 12ee717..e893f78 100644
--- a/configs/P2020RDB-PC_SPIFLASH_defconfig
+++ b/configs/P2020RDB-PC_SPIFLASH_defconfig
@@ -32,6 +32,8 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_MTDPARTS=y
+CONFIG_MTDIDS_DEFAULT="nor0=ef000000.nor"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=ef000000.nor:256k(vsc7385-firmware),256k(dtb),4608k(kernel),9984k(fs),1280k(u-boot)"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_SPI_FLASH=y