PCI: aardvark: Remove unused of_gpio.h inclusion

The of_gpio.h API is deprecated and subject to removal. The driver doesn't
use it, so simply remove the unused header.

[kwilczynski: commit log]
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Andy Shevchenko <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>

Author: andy-shev

drivers/pci/controller/pci-aardvark.c

@@ -23,7 +23,6 @@
 #include <linux/platform_device.h>
 #include <linux/msi.h>
 #include <linux/of_address.h>
-#include <linux/of_gpio.h>
 #include <linux/of_pci.h>
 
 #include "../pci.h"