PCIE: tegra: limit mselect clk to 102Mhz

PCIE: tegra: limit mselect clk to 102Mhz

This will put cap on power consumption in idle
If someone one to bup the clock, it can be done from
debugfs

Bug 1483563

Change-Id: I668193864fa26b108bec1c1f953f275847ee293c
Signed-off-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-on: http://git-master/r/384367
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Winnie Hsu <whsu@nvidia.com>