mmc: tegra: use devm help functions to get the clk and gpio
mmc: tegra: use devm help functions to get the clk and gpio

Simplify the error and remove path.

Signed-off-by: Kevin Hao <7b5c7263b051e4f30fdb05a718aacc347c3275cd@gmail.com>
Acked-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