bus: fsl-mc: Constify fsl_mc_device_match()

fsl_mc_device_match() does not modify caller's inputs.

To prepare for constifying API device_find_child() later.

Constify this comparison function by simply changing its
parameter types to const pointer.

Reviewed-by: Jonathan Cameron <[e-mail]>
Signed-off-by: Zijun Hu <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/bus/fsl-mc/dprc-driver.c

···
 	struct fsl_mc_obj_desc *child_array;
 };
 
-static bool fsl_mc_device_match(struct fsl_mc_device *mc_dev,
-				struct fsl_mc_obj_desc *obj_desc)
+static bool fsl_mc_device_match(const struct fsl_mc_device *mc_dev,
+				const struct fsl_mc_obj_desc *obj_desc)
 {
 	return mc_dev->obj_desc.id == obj_desc->id &&
 	       strcmp(mc_dev->obj_desc.type, obj_desc->type) == 0;