build: add support for 4.9 kernel toolchain alias

ps3: cleanup
ps7: fixup
Signed-off-by: bart452 <bart_96@live.nl>
Change-Id: If19a4b860feae524c9d5b8c3e2d6f9ab123e1337
kernel.mk: whitespace sanitation + dumpvar + USE_AOSP_TOOLCHAIN handling

Change-Id: I17e49219337dbac8f9fb4b51895adbb1ee83a4bd
quick fix???

Change-Id: I5487cf502e9d142c4e3d6e56e65116454a3a1d45