sh: ecovec24: Remove MMCIF and SDHI .set_pwr() callbacks
sh: ecovec24: Remove MMCIF and SDHI .set_pwr() callbacks

The MMCIF and SHDI platform data .set_pwr() callbacks are used to
control the vmmc/vqmmc power supplies. As the power supplies already
register control GPIOs there's no need to perform the operation
manually. Remove the callback functions.

Signed-off-by: Laurent Pinchart <ae960578cc5eca7b9b1dbc37d9caa6cb634f35e0@ideasonboard.com>
Acked-by: Guennadi Liakhovetski <50875182aae23d69ca7738697596f18a14e926fc@gmx.de>
Signed-off-by: Chris Ball <6ca7faee6ca9a094b1ee341f11b840a5608a8746@laptop.org>

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