usb: ohci-pxa27x: Remove unused of_gpio.h

of_gpio.h is deprecated and subject to remove.
The driver doesn't use it, simply remove the unused header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240307112406.3625756-1-andriy.shevchenko@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ohci-pxa27x.c

@@ -27,7 +27,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/of_platform.h>
-#include <linux/of_gpio.h>
 #include <linux/platform_data/usb-ohci-pxa27x.h>
 #include <linux/platform_data/pxa2xx_udc.h>
 #include <linux/platform_device.h>