USB: EHCI: Add bus glue for GRLIB GRUSBHC controller

This patch adds support for the GRLIB GRUSBHC EHCI controller from
Aeroflex Gaisler. The controller is typically found on LEON/GRLIB
SoCs.

Tested on GR-LEON4-ITX with with little endian interface and on
LEON3 system on GR-PCI-XC5V development board for big endian
controller.

Signed-off-by: Jan Andersson <jan@gaisler.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 8164ffa..c5719cd 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1275,6 +1275,11 @@
 #define PLATFORM_DRIVER		ehci_ath79_driver
 #endif
 
+#ifdef CONFIG_SPARC_LEON
+#include "ehci-grlib.c"
+#define PLATFORM_DRIVER		ehci_grlib_driver
+#endif
+
 #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
     !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \
     !defined(XILINX_OF_PLATFORM_DRIVER)