gpio: mpc8xxx: Convert to platform device interface.
gpio: mpc8xxx: Convert to platform device interface.

This way we do not need to transverse the device tree manually.

Cc: Grant Likely <9069e6f5a2b566e2674a0ba1e2bf39c12c195fad@linaro.org>
Cc: Rob Herring <988782c95b9025801edfc9a5b1fd5a8e93699e07@kernel.org>
Cc: eb682e570f95b554c8a7dc560ee59b91b930a718@vger.kernel.org
Acked-by: Peter Korsgaard <4b8373d016f277527198385ba72fda0feb5da015@korsgaard.com>
Acked-by: Alexandre Courbot <301cd6a3ea50a894b4b51e385c5eb12b9a4ffc0c@nvidia.com>
Signed-off-by: Ricardo Ribalda Delgado <39bb74b16720293e1449e36465485b27216fbd6d@gmail.com>
Signed-off-by: Linus Walleij <9cd9d802d23c0ed5e224beabf4ae4a5c478746ef@linaro.org>

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