powerpc/85xx: Make inclusion of USB device fixup conditional

Include call to usb device-fixup only when CONFIG_HAS_FSL_DR_USB is
defined for the platform - P1020RDB, P1010RDB, P1020-PC

Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/board/freescale/p1010rdb/p1010rdb.c b/board/freescale/p1010rdb/p1010rdb.c
index 03e9da1..b9e66f7 100644
--- a/board/freescale/p1010rdb/p1010rdb.c
+++ b/board/freescale/p1010rdb/p1010rdb.c
@@ -275,7 +275,9 @@
 
 	fdt_fixup_memory(blob, (u64)base, (u64)size);
 
+#if defined(CONFIG_HAS_FSL_DR_USB)
 	fdt_fixup_dr_usb(blob, bd);
+#endif
 
        /* P1014 and it's derivatives don't support CAN and eTSEC3 */
 	if (cpu->soc_ver == SVR_P1014 || cpu->soc_ver == SVR_P1014_E) {