msm-vidc: Modify HFI not to alter VP8 max supported width

Modify HFI not to alter firmware returned max supported width
and height and make generic both for Venus and Q6. Remove
creation of debugfs file for VP8 mode.

Change-Id: I77d9077a79214d90f59eb7314bb66e310b5a418f
Signed-off-by: Manikanta Sivapala <msivap@codeaurora.org>
5 files changed