disp: msm: sde: allow uidle setup when requested

The UIDLE s/w maintains few state variables based
on which ctl & debug counter hw setup is skipped
few times. Skipping this during idle-pc restore
leads to UIDLE not setup correctly. Fix the state
checks to allow programming the HW.

Change-Id: Ie4be207ebaa4bd1eaebc63b3548837ef611efde7
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>