flo:target custom 4.7 toolchain for kernel

Using stock 4.7 with Brick Kernel gives these errors:

/kernel/asus/bricked/lib/bitmap.c: In function 'bitmap_scnprintf':
/kernel/asus/bricked/lib/bitmap.c:401:1: internal compiler error:
output_operand: invalid shift operand
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://source.android.com/source/report-bugs.html> for instructions.
{standard input}: Assembler messages:
{standard input}:4821: Warning: end of file not at end of a line; newline inserted
{standard input}:5072: Error: undefined local label `.L1049'
{standard input}:5075: Error: undefined local label `.L1049'
{standard input}:5079: Error: undefined local label `.L1049'
make[3]: *** [lib/bitmap.o] Error 1
make[2]: *** [lib] Error 2

In order to compile sucessfully inline, we have to switch to a different toolchain.

Change-Id: Ie3e4a582918498ee34880becf21e3c1e2ff44090