drm: msm: update rsc single TCS execution time wait

Update the single TCS execution time wait for rsc
version-2 based on the hardware programming recommendation.

Change-Id: Iecab6f37971e9c85633e6d2fe5da06b1d175d2e2
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>