msm: thermal: improve robustness of the thermal throttle routine.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
Merge remote-tracking branch 'franco/android-msm-hammerhead-3.4-kk-r1' into android-msm-hammerhead-3.4-kk-r1
dts: lm3630: lower min brightness to 1

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
dts: lm3630: lower blmap for lower brightness levels

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>