Cleanup (PPC4xx is AMCC now)
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 003c5b6..f434e20 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -42,7 +42,7 @@
/* LICENSED MATERIAL - PROGRAM PROPERTY OF I B M */
/*------------------------------------------------------------------------------- */
-/* U-Boot - Startup Code for IBM 4xx PowerPC based Embedded Boards
+/* U-Boot - Startup Code for AMCC 4xx PowerPC based Embedded Boards
*
*
* The processor starts at 0xfffffffc and the code is executed