build with cortex-a9

Change-Id: Ie288153c33ab8f33b4a09c63af0361d8c4113de7
tuners: Add help text to MEDIA_TUNER

This allows us to disable tuners since they aren't used in phones AFAIK.

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: Ib1698a6a17533aa4d23445beafae19ebfc791b19
[M4EU] Updated defconfig

Change-Id: I9ac74ad08299756dbb6456d8523a5b6993b073df