msm8960: Update modem firmware init scripts

Change-Id: I359b46a26ea84f191c4865c568246c7207fa898b
msm8960: Relocate GPS HAL

 * The GPS HAL here is specific to D2. As we now have other devices
   inheriting from this repository, move it to d2-common.

Change-Id: I6baa11995aa8f67bdaf79fa950d7d81ab52c68b1

Conflicts:
	msm8960.mk
msm8960: Relocate some D2-specific keylayouts

Change-Id: I4aecabb98c9a270b5f8ff5526b85c2ccc2ad9bdd

Conflicts:
	msm8960.mk