Revert "Revert "mach-msm: qdsp6v3: remove LPA driver""

This reverts commit 4c23404607ad697ba9b1c1e45f83d56f63d26c9a.
Revert "Defconfig: remove NET_SCHED"

This reverts commit 627a6531922e959145e1f10591f4eb5f459dd117.
Defconfig: revert some net changes from r30