firmware: add symlinks for d2bst and add to build barrier

Change-Id: Ia773102275f359fdf753b1f54aeeba7200500c28
symlinks: fix modem_f2 symlinks

Change-Id: Idb2f06d0f1b2827401ef2f599d5f74ab3854720e
d2: move fstab down from msm8960-common

Change-Id: I51e3ffe464947251c1ae4988b9c49d3d537d7a3c
fstab: mount modem partition with firmware_file context

Change-Id: Ia944e604e43476f3449466c11d63bbc69420329a
d2: re-enable performance profiles

Change-Id: Id80ebf5d45ff61a8e548e83e974c6c40ed9f25fa
pull from us