arm: tegra: sata: set SATA clock to 272MHz

arm: tegra: sata: set SATA clock to 272MHz

Bug 1221686
Bug 1170169

Reviewed-on: http://git-master/r/198306
(cherry picked from commit 02f85c2a866df1ae47a7f51707dba88b214b9b83)

Change-Id: I90470d7f11436671db7f7f2af85fbf9de85adaf7
Signed-off-by: sreenivasulu velpula <svelpula@nvidia.com>
Reviewed-on: http://git-master/r/201614
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sumeet Gupta <sumeetg@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>