fsl/usb: Fix phy type for Second USB controller

Set correct phy_type value for second USB controller.
This is required for supporting SOCs having 2 USB controllers
working simultaneously, one with UTMI phy and other with ULPI phy

Signed-off-by: Nikhil Badola <B46172@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

drivers/usb/host/ehci-fsl.c

@@ -41,11 +41,14 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 	struct usb_ehci *ehci = NULL;
 	const char *phy_type = NULL;
 	size_t len;
+	char current_usb_controller[5];
 #ifdef CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY
 	char usb_phy[5];
 
 	usb_phy[0] = '\0';
 #endif
+	memset(current_usb_controller, '\0', 5);
+	snprintf(current_usb_controller, 4, "usb%d", index+1);
 
 	switch (index) {
 	case 0:
@@ -70,8 +73,9 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 	out_be32(&ehci->snoop2, 0x80000000 | SNOOP_SIZE_2GB);
 
 	/* Init phy */
-	if (hwconfig_sub("usb1", "phy_type"))
-		phy_type = hwconfig_subarg("usb1", "phy_type", &len);
+	if (hwconfig_sub(current_usb_controller, "phy_type"))
+		phy_type = hwconfig_subarg(current_usb_controller,
+				"phy_type", &len);
 	else
 		phy_type = getenv("usb_phy_type");