ARM: tegra: DT: Added sdhci properties

ARM: tegra: DT: Added sdhci properties

DT:
 -Added sdhci device properties like disable-auto-cal
 and enable-ext-loopback in dtsi file of various platform.

 -changed the value of uhs_mask to support DDR mode
  only for SDMMC4.

tegra:
 -Added sdhci device properties like disable-auto-cal
 and enable-ext-loopback in board files of various platform.

Change-Id: I92e076afd298501637d9ad867e293e58ac85bb35
Signed-off-by: Anubhav Kumar Jain <anubhavj@nvidia.com>
Reviewed-on: http://git-master/r/555006
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>