usb: zynqmp: Add XHCI driver support

Added USB XHCI driver support for zynqmp.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
diff --git a/include/configs/xilinx_zynqmp_ep.h b/include/configs/xilinx_zynqmp_ep.h
index 8bdb5c9..b7d506e 100644
--- a/include/configs/xilinx_zynqmp_ep.h
+++ b/include/configs/xilinx_zynqmp_ep.h
@@ -24,6 +24,8 @@
 #define CONFIG_SYS_I2C_ZYNQ
 #define CONFIG_ZYNQ_EEPROM
 #define CONFIG_AHCI
+#define CONFIG_ZYNQMP_XHCI_LIST {ZYNQMP_USB0_XHCI_BASEADDR, \
+				 ZYNQMP_USB1_XHCI_BASEADDR}
 
 #include <configs/xilinx_zynqmp.h>