powerpc/85xx: enable USB2 gadget mode for corenet ds board

to make USB2 worked in gadget mode, we need to set it's 'dr_mode' to
'peripheral' in hwconfig, but driver starts scan from 'usb1', it'll break
out if it cannot find 'usb1', so drop the 'else' clause to make driver scan
all the 'usbx'.

Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/cpu/mpc8xxx/fdt.c

@@ -163,8 +163,6 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
 				usb1_defined = 1;
 			if (mode_idx < 0 && phy_idx < 0)
 				printf("WARNING: invalid phy or mode\n");
-		} else {
-			break;
 		}
 	}
 	if (!usb1_defined) {

board/freescale/corenet_ds/corenet_ds.c

@@ -236,6 +236,7 @@ void ft_board_setup(void *blob, bd_t *bd)
 #endif
 
 	fdt_fixup_liodn(blob);
+	fdt_fixup_dr_usb(blob, bd);
 }
 
 int board_eth_init(bd_t *bis)

include/configs/corenet_ds.h

@@ -595,6 +595,7 @@
 #define CONFIG_USB_EHCI_FSL
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
 #define CONFIG_CMD_EXT2
+#define CONFIG_HAS_FSL_DR_USB
 
 #define CONFIG_MMC