usb: dwc3: glue layers shouldn't know about the core IP

remove inclusion of "core.h" from all glue
layers as they don't need to know details
about the core IP.

Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index b50da53..b082bec 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -23,8 +23,6 @@
 #include <linux/usb/nop-usb-xceiv.h>
 #include <linux/of.h>
 
-#include "core.h"
-
 struct dwc3_exynos {
 	struct platform_device	*dwc3;
 	struct platform_device	*usb2_phy;
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 90171f7..afa05e3 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -54,8 +54,6 @@
 #include <linux/usb/otg.h>
 #include <linux/usb/nop-usb-xceiv.h>
 
-#include "core.h"
-
 /*
  * All these registers belong to OMAP's Wrapper around the
  * DesignWare USB3 Core.
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 7d70f44..e8d7768 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -45,8 +45,6 @@
 #include <linux/usb/otg.h>
 #include <linux/usb/nop-usb-xceiv.h>
 
-#include "core.h"
-
 /* FIXME define these in <linux/pci_ids.h> */
 #define PCI_VENDOR_ID_SYNOPSYS		0x16c3
 #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3	0xabcd