gpiolib: export gpiochip_find

Export function gpiochip_find so that modules can use it.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 36a2974..c27e52b 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1165,6 +1165,7 @@
 
 	return chip;
 }
+EXPORT_SYMBOL_GPL(gpiochip_find);
 
 /* These "optional" allocation calls help prevent drivers from stomping
  * on each other, and help provide better diagnostics in debugfs.