msm: mdss: avoid pipe_in_use check in recovery path

The pipe_in_use check is invalid during the recovery, as ctl_reset
is triggered and at that point, the pipes are not unstaged yet.
Avoid the pipe_in_use check as it would always be true during
recovery.

Change-Id: I281ab437c3f0beea71c0066d7ffcd3e282fd989f
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>