defconfig: add dedicated defconfig

Cloned from cyanogenmod_find7_defconfig.

Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>
defconfig: rebrand

Update localversion to reflect kernel.

Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>
defconfig: use GCC 4.7 toolchain

Default arm-eabi-4.7 toolchain from Google's repo.

Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>