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/imx6q_logic_defconfig b/configs/imx6q_logic_defconfig
index c7d3046..bd0da25 100644
--- a/configs/imx6q_logic_defconfig
+++ b/configs/imx6q_logic_defconfig
@@ -27,6 +27,8 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_MTDPARTS=y
+CONFIG_MTDIDS_DEFAULT="nand0=gpmi-nand"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=gpmi-nand:4m(uboot),1m(env),16m(kernel),1m(dtb),-(fs)"
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SYS_I2C_MXC=y
 CONFIG_NAND=y