mmc: sdhci-tegra: convert to use GPIO descriptors
mmc: sdhci-tegra: convert to use GPIO descriptors

Modify the driver to handle GPIOs using the descriptor API.

Signed-off-by: Mylene JOSSERAND <b41a9e0af597d95d1153d79c612bdf8eb5140ae2@gmail.com>
Reviewed-by: Alexandre Courbot <301cd6a3ea50a894b4b51e385c5eb12b9a4ffc0c@nvidia.com>
Tested-by: Alexandre Courbot <301cd6a3ea50a894b4b51e385c5eb12b9a4ffc0c@nvidia.com>
Signed-off-by: Ulf Hansson <fe47b31f388f85ce6ddf64bf3a0cf6b46077d0e6@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs