pinctrl: ep93xx: Fix raster pins typo

pinctrl: ep93xx: Fix raster pins typo

Fix raster_on_sdram0_pins used in PMX_GROUP() instead of
raster_on_sdram3_pins as it should be.

Fixes: d1661439f5a3 ("pinctrl: add a Cirrus ep93xx SoC pin controller")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202409130426.1OzNAC9M-lkp@intel.com/
Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20240913045829.11904-1-nikita.shubin@maquefel.me
Signed-off-by: Arnd Bergmann <arnd@arndb.de>