msm: kgsl: Use the correct units for ADRENO_IDLE_TIMEOUT

In a few spots the ADRENO_IDLE_TIMEOUT value (measured in milliseconds)
was used directly for jiffy calculations resulting in timeouts that were
1000/HZ times longer than they should have been.  Use msecs_to_jiffies
for these situations.

CRs-Fixed: 448226
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
(cherry picked from commit 0bcdb735fb0ffa524638ab75acf76d3ddfe38616)

Change-Id: Ic2cd7eaf949d5c69c803fd109f206629de56ef9f
Signed-off-by: Srivalli Oguri <oguri@codeaurora.org>