drm/msm: Include <linux/io.h>

Include <linux/io.h> to get the declaration of devm_ioremap() on
sparc64. No functional changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202303301856.zSmpwZjj-lkp@intel.com/Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/530550/
Link: https://lore.kernel.org/r/20230403124538.8497-2-tzimmermann@suse.deSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

drivers/gpu/drm/msm/msm_io_utils.c

@@ -6,6 +6,7 @@
  */
 
 #include <linux/interconnect.h>
+#include <linux/io.h>
 
 #include "msm_drv.h"