drm/i915/renderstate: use struct drm_device based logging macros.

Replace the use of the printk based drm logging macros with the struct
drm_device based logging macros.
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200314183344.17603-5-wambui.karugax@gmail.com

drivers/gpu/drm/i915/gt/intel_renderstate.c

@@ -102,7 +102,7 @@ static int render_state_setup(struct intel_renderstate *so,
 	}
 
 	if (rodata->reloc[reloc_index] != -1) {
-		DRM_ERROR("only %d relocs resolved\n", reloc_index);
+		drm_err(&i915->drm, "only %d relocs resolved\n", reloc_index);
 		goto err;
 	}