drivers/gpu: include <module.h> for modular rockchip code

These files are built off of a tristate Kconfig option and also contain
modular function calls so they should explicitly include module.h to
avoid compile breakage during header shuffles done in the future.

Cc: David Airlie <airlied@linux.ie>
Cc: Mark Yao <mark.yao@rock-chips.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

drivers/gpu/drm/rockchip/rockchip_drm_drv.c

@@ -21,6 +21,7 @@
 #include <drm/drm_fb_helper.h>
 #include <linux/dma-mapping.h>
 #include <linux/pm_runtime.h>
+#include <linux/module.h>
 #include <linux/of_graph.h>
 #include <linux/component.h>
 

drivers/gpu/drm/rockchip/rockchip_drm_vop.c

@@ -19,6 +19,7 @@
 #include <drm/drm_plane_helper.h>
 
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 #include <linux/of.h>