The build of m32r allmodconfig fails with the error:
drivers/input/touchscreen/colibri-vf50-ts.c:302:10: error: implicit
	declaration of function 'of_property_read_u32'

of_property_read_u32() is defined in linux/of.h which was not included.	

Fixes: 1261d013daea ("Input: Allow compile test of Goodix and Colibri VF50 if !GPIOLIB")
Cc: Geert Uytterhoeven <redacted>
Signed-off-by: Sudip Mukherjee <sudip-ofJRbWXBVFamYgehrs7/Lw@public.gmane.org>
---
 drivers/input/touchscreen/colibri-vf50-ts.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/input/touchscreen/colibri-vf50-ts.c b/drivers/input/touchscreen/colibri-vf50-ts.c
index 5d4903a..594c096 100644
--- a/drivers/input/touchscreen/colibri-vf50-ts.c
+++ b/drivers/input/touchscreen/colibri-vf50-ts.c

@@ -25,6 +25,7 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/types.h>
+#include <linux/of.h>
 
 #define DRIVER_NAME			"colibri-vf50-ts"
 #define DRV_VERSION			"1.0"

-- 
1.9.1