ARM: dts: msm: add dt parameter to specify pm_qos latency for UICC

UICC througput is impacted if CPU goes to power collapse when transfers
are in progress. Add dt parameter to support for appropriate pm_qos voting
to prevent CPU from going into power collapse mode during transfers.

Change-Id: I9a6502818f1b4d6c9babeb9f1fdf2f59478a5826
Signed-off-by: Tarun Gupta <tarung@codeaurora.org>