arm: tegra: cardhu: Put LDO7/8 to OFF in sleep state

arm: tegra: cardhu: Put LDO7/8 to OFF in sleep state

Putting the LDO7 and LDO8 to OFF in sleep state.

bug 892613

Reviewed-on: http://git-master/r/63500
(cherry picked from commit 52897937e5c30cd7e0e6c096f166936a0d396a4f)

Change-Id: Ie51594f739e5e581dec17733550ebd4e8d28e040
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: http://git-master/r/64046
Reviewed-by: Lokesh Pathak <lpathak@nvidia.com>
Tested-by: Lokesh Pathak <lpathak@nvidia.com>
Rebase-Id: R58fc9d4c16f990658da18822505d0d9dbe7a31a5