gpio: em: Use the right include

The Emma Mobile (EM) GPIO driver uses the too generic include
<linux/gpio.h>. It is a driver so it should just use
<linux/gpio/driver.h>.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
(cherry picked from commit 7275cb75b96f5cec924ea95685d906d09b6a82f4)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
1 file changed