clk: gpio-gate: Include export.h instead of module.h

Include export.h for EXPORT_SYMBOL_GPL, no need to include module.h.

Cc: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Sergej Sawazki <ce3a@gmx.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/clk-gpio-gate.c

@@ -10,7 +10,7 @@
  */
 
 #include <linux/clk-provider.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/slab.h>
 #include <linux/gpio.h>
 #include <linux/gpio/consumer.h>