Revert "msm: ocmem: Serialize allocation requests only when necessary"

This reverts commit 1a57a7ecad859a5d72c1076d4198a3ee9fb7aac5.
Revert "msm: ocmem: Do not use data mover for clearing ocmem memory"

This reverts commit 13bc1a0e0bb484e5ac280fad659ed79cb83f5d77.
Revert "Sabermod gcc-4.9"

This reverts commit 090b280e1d39fd20d0b1fa6b9cc2804a676008f6.