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/am335x_evm_norboot_defconfig b/configs/am335x_evm_norboot_defconfig
index ee1b193..9d424e8 100644
--- a/configs/am335x_evm_norboot_defconfig
+++ b/configs/am335x_evm_norboot_defconfig
@@ -14,6 +14,8 @@
 CONFIG_FASTBOOT=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_MTDPARTS=y
+CONFIG_MTDIDS_DEFAULT="nor0=physmap-flash.0"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=physmap-flash.0:512k(u-boot),128k(u-boot-env1),128k(u-boot-env2),4m(kernel),-(rootfs)"
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y