sync: don't log wait timeouts when timeout = 0

Signed-off-by: Erik Gilling <konkers@android.com>
sync: fix timeout = 0 wait behavior

Change-Id: I8b9254e92c26d9f44abbc0c77fb44624de947013
Signed-off-by: Jamie Gennis <jgennis@google.com>
msm: kgsl: pwrscale functions should be run while GPU is ACTIVE