frontends/va/picture:Fix wrong reallocation even surface is protected

frontends/va/picture:Fix wrong reallocation even surface is protected

This patch will avoid reallocation,if surface is already protected.
Fixing the comparision logic of boolean value(true \ flase) with
PIPE_BIND_PROTECTED.

Fixes: 81be8b3c2f2 ("va/picture: make sure destination buffer is protected if needed")

Signed-off-by: SureshGuttula <suresh.guttula@amd.corp-partner.google.com>
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10916>