tf700t: Fix asusdec explorer and media's keys

Change-Id: I384fbac75cfdab8b6c3d64e7f068d6a0910460c0
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Add support to build in OUT_DIR
Changed tabs to spaces
Change-Id: I46b393b80026c2a2d723f37bc83b4312175f805b