usb: phy: tegra: Clean up included headers

Add "spinlock.h", which was included indirectly, and sort includes in
alphabet order.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20200106013416.9604-8-digetx@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/phy/phy-tegra-usb.c

@@ -9,24 +9,26 @@
  *	Venu Byravarasu <vbyravarasu@nvidia.com>
  */
 
-#include <linux/resource.h>
 #include <linux/delay.h>
-#include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/export.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/iopoll.h>
 #include <linux/gpio.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_gpio.h>
-#include <linux/usb/otg.h>
-#include <linux/usb/ulpi.h>
-#include <linux/usb/of.h>
+#include <linux/platform_device.h>
+#include <linux/resource.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+
+#include <linux/regulator/consumer.h>
+
 #include <linux/usb/ehci_def.h>
+#include <linux/usb/of.h>
 #include <linux/usb/tegra_usb_phy.h>
-#include <linux/regulator/consumer.h>
+#include <linux/usb/ulpi.h>
 
 #define ULPI_VIEWPORT				0x170