arch: arm: fsl: Add XHCI support for LS1021A

Add base register address information for USB
XHCI controller on LS1021A

Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
diff --git a/arch/arm/include/asm/arch-ls102xa/config.h b/arch/arm/include/asm/arch-ls102xa/config.h
index 4dc528b..c55cdef 100644
--- a/arch/arm/include/asm/arch-ls102xa/config.h
+++ b/arch/arm/include/asm/arch-ls102xa/config.h
@@ -35,6 +35,7 @@
 #define CONFIG_SYS_NS16550_COM1			(CONFIG_SYS_IMMR + 0x011c0500)
 #define CONFIG_SYS_NS16550_COM2			(CONFIG_SYS_IMMR + 0x011d0500)
 #define CONFIG_SYS_DCU_ADDR			(CONFIG_SYS_IMMR + 0x01ce0000)
+#define CONFIG_SYS_LS102XA_XHCI_USB1_ADDR	(CONFIG_SYS_IMMR + 0x02100000)
 #define CONFIG_SYS_LS102XA_USB1_ADDR \
 	(CONFIG_SYS_IMMR + CONFIG_SYS_LS102XA_USB1_OFFSET)