Fix path to libsensors dir

Change-Id: Ic7d6604c19b72fd93f729808d74ce159a3d54e0f
Add TARGET_BOARD_PLATFORM to BoardConfig.mk

Change-Id: I1f06569b0c5c28647e591eed3f1b2190e7b41727
tuna: Fix sensors for KitKat+ in a more appropriate manner.

Change-Id: I13f3d62a4022b2c6796c101dc9a5024966485159
Signed-off-by: Kyle Repinski <repinski23@gmail.com>

Conflicts:
	libsensors/Android.mk
Fix bad cherry-pick merge

Change-Id: Ifbc56d9ef642af4581eee5dd8bb112c0c2d7b7cd
tuna: Add ambient temperature sensor.

This leverages the BMP180's ability to sense the temperature.

Requires kernel change, but there are no adverse side-effects without the kernel change.

Change-Id: Ibe2228d0ab30775556acb0a034f7f0904ed1b0b7
Signed-off-by: Kyle Repinski <repinski23@gmail.com>