Revert "solve compile errors"

This reverts commit c4021a813504d4c2e80494dd2e906996aeeb0b45.
add includes for qdsp5 from kk_2.7

Change-Id: Idc6b2986adbd1c6223b9816c51826505c38bdb52
drivers/media/video/videobuf2-msm-mem.c compile error

Change-Id: Iabeb2eb19b0fbe5bbce4a934164ba94c7336a0e0
add missing include

Change-Id: Ic951cee77cbab490626832a699de3931be13a99e
update include/linux/sync.h

Change-Id: I0e01ff1bf7d2cb31a81d8355194f84b87beb46de
more sophisticated solving of compile errors

Change-Id: I980f6a51886983491322af2780c22da26b4fe4a7