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/include/configs/ib62x0.h b/include/configs/ib62x0.h
index d45dc35..57f56b5 100644
--- a/include/configs/ib62x0.h
+++ b/include/configs/ib62x0.h
@@ -57,16 +57,10 @@
 	"fdt addr 0x700000; fdt resize; fdt chosen; "			\
 	"bootz 0x800000 - 0x700000"
 
-#define CONFIG_MTDPARTS \
-	"mtdparts=orion_nand:"						\
-	"0xe0000@0x0(uboot),"						\
-	"0x20000@0xe0000(uboot_env),"					\
-	"-@0x100000(root)\0"
-
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"console=console=ttyS0,115200\0"				\
 	"mtdids=nand0=orion_nand\0"					\
-	"mtdparts="CONFIG_MTDPARTS					\
+	"mtdparts="CONFIG_MTDPARTS_DEFAULT			\
 	"kernel=/boot/zImage\0"						\
 	"fdt=/boot/ib62x0.dtb\0"					\
 	"bootargs_root=ubi.mtd=2 root=ubi0:rootfs rootfstype=ubifs rw\0"