msm: vidc: Fix memory leak issue
msm: vidc: Fix memory leak issue

kmemdup, which is used to copy memory also allocates
memory before copying, so no need to allocate with
kzalloc.

Change-Id: Id54a289d19284ca5e4d203e47e7db3028ad5f68d
Signed-off-by: Jayasena Sangaraboina <d2ddecd5ff6904a9eeb97af685230b06de92e8fd@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