ARM64: dt: tegra210: Set ocr mask for sdmmc2/4

ARM64: dt: tegra210: Set ocr mask for sdmmc2/4

-ocr mask was added in patch:
http://git-master/r/#/c/436131/
but removed in http://git-master/r/#/c/409255/
-enabling ocr mask for sdmmc2/4.

Change-Id: I91af9ca5690ce2128fd6194a6f6a610eb879e168
Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com>
Reviewed-on: http://git-master/r/453724
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>