Unify Motorola msm8960 devices

Unify and support the following:
asanti_c (xt897 - Photon Q - Sprint)
qinara (mb886 - Atrix HD - AT&T)
scorpion_mini (xt907 - Droid Razr M - Verizon)
smq_u (xt905 - Razr M - GSM)
solstice (xt901 - Electrify M - US Cellular)
vanquish (xt926 - Droid Razr HD - Verizon)
vanquish_u (xt925- Razr HD - GSM)

Change-Id: I874e4d1dad005ef49e9c3c645ee92fc6aadded3f