PowerPC: Remove some unused USB code

These particular code paths aren't used anymore, remove.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/freescale/p2041rdb/p2041rdb.c b/board/freescale/p2041rdb/p2041rdb.c
index 5bd2b99..2a84e9b 100644
--- a/board/freescale/p2041rdb/p2041rdb.c
+++ b/board/freescale/p2041rdb/p2041rdb.c
@@ -229,7 +229,7 @@
 
 	fdt_fixup_memory(blob, (u64)base, (u64)size);
 
-#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
+#if defined(CONFIG_HAS_FSL_DR_USB)
 	fsl_fdt_fixup_dr_usb(blob, bd);
 #endif