msm: mdss: release sync fences when timeout happens
msm: mdss: release sync fences when timeout happens

When sync fence times out it means buffer should be dropped, at this
point need to release reference on it so it can be reused.

CRs-Fixed: 449267
Change-Id: I1a03f809b06e234a094d598b26e715049ac4c3b6
Signed-off-by: Adrian Salido-Moreno <f4561ccbe90a02dadc9d168b29bfea0c1b57222c@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas