Revert "ion: omap: change behaviour of getting buffers from pvr fd"

This reverts commit ba73ac56cd92a7d20a1b8e2fa6924f197ec2808d.
Revert "rpmsg: omaprpc: Fix omaprpc_release hang"

This reverts commit d060afc233394de9aa6b7ae37d8db9a952130193.
Revert "[OMAPRPC] Fix locking mutex twice"

This reverts commit f6cc385ef2dfee68e67bf8b68db61a85af3d31e1.
Revert "OMAPRPC: Ask tiler for pa in buffer lookups"

This reverts commit 7dcfe06a717bebc7421d42fd0c7f9ba35f8f810c.
Revert "OMAPRPC: Updates to OMAPRPC from 3.4 Kernel tree changes."

This reverts commit 408c8b1fcc8076b28990fe9e86753c61e218b201.
Revert "omaprpc: ion: adapt to omap ion api change"

This reverts commit 24a6a83345af4665d274f893fba4a44a1f7edffe.