disp: msm: sde: fix uidle trace format configuration

Uidle FAL1 and FAL10 counters use 32 bits and
should be printed with hex format instead of
signed integer format.

Change-Id: I31e9a06314ef53bd2dab7ebd041f38c096e84120
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>