msm_vidc: venc: set resolution on firmware in set_format call.

Resolution information was saved in driver and set to firmware once
before encoding starts, in one use case this lead to corruption. This
change configures the firmware to update the resolution everytime
client updates resolution.

CRs-fixed: 408761
Change-Id: I6b43d59c7e44b2e4f48d1fda061f006dc0faca55
Signed-off-by: Ashray Kulkarni <ashrayk@codeaurora.org>