Added custom toolchain settings. Credits @pbeeler
Fix custom kernel toolchain building by moving it to BoardConfig.mk of the device tree

Signed-off-by: Paul Beeler <sparksco@gmail.com>
Merge remote-tracking branch 'aospal/kitkat-remix' into kitkat-remix

Signed-off-by: Paul Beeler <sparksco@gmail.com>

Conflicts:
	products/psd_mako.mk