Revert "liblights: fix buttons always lit"

This reverts commit 10925d5a1b81113e0b5e40c2383d3668178632b7.

Change-Id: Iefadc04cf64737185bde041ef9221f27e843366a
Revert "attempt to fix constantly lit buttons"

Change-Id: Idc6ebdcbd1567a1b4c2897669fce998db8684560
"msm8960-common: allow variable button light brightness""

in combination with:

https://gerrit.omnirom.org/#/c/1544/
https://gerrit.omnirom.org/#/c/1543/
https://gerrit.omnirom.org/#/c/1542/

custom button brightness is working as it should

Change-Id: I3a7aba59231cd37c3ae770b8a62e50dd9a6b63a6
msm8960-common: set BOOTLOADER_BOARD_NAME

Change-Id: I72d897266e8204ec98e8d4077c33bc14abd5adb1
msm8960-common: update libril from qcril branch

Change-Id: I02b109a94965ae22c05708e65761f5d8fe4e663c
libril: update unsol htc responses and add support for m7.

Change-Id: I93dd937328043afdd10ceb19fc5f3d819224fdd5
msm8960-common: libril: clarify naming of VOICE_RADIO_TECH_CHANGED

* For some reason there are two of these named very similarly to each
  other.

Change-Id: If1229d6df0bcf62d0bd4534e1d7d2a29605cf33c
Merge "msm8960-common: update libril from qcril branch" into android-4.3
Merge "libril: update unsol htc responses and add support for m7." into android-4.3
Merge "msm8960-common: libril: clarify naming of VOICE_RADIO_TECH_CHANGED" into android-4.3