ARM: dts: msm: Update max clock frequency of sdhc2 on msm8953

SDHC2 is used for sdcard and can support upto 208MHz (SDR104 bus speed
mode). So at 200MHz there should not be any problem of jitter requirement.
Hence update max clock of sdc2 to 200MHz.

Change-Id: Ie66b81d7da703cf35091337642a4ab8bc7f120cb
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>