zlib: clean up some dead code

Cleanup unused `if 0'-ed functions, which have been dead since 2006
(commits 87c2ce3b9305 ("lib/zlib*: cleanups") by Adrian Bunk and
4f3865fb57a0 ("zlib_inflate: Upgrade library code to a recent version")
by Richard Purdie):

 - zlib_deflateSetDictionary
 - zlib_deflateParams
 - zlib_deflateCopy
 - zlib_inflateSync
 - zlib_syncsearch
 - zlib_inflateSetDictionary
 - zlib_inflatePrime

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
build: Tune build flags

* Sync with Dorimanx.

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
msm: vidc: Disable clock gating feature

Clock gating between inter frames when video hardware
is in IDLE state is not giving any power savings and
at the same time this feature is resulting in few
stability issues. So disabling clock gating feature.

Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>
Signed-off-by: Balamurugan Alagarsamy <balaga@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>