ppc4xx: Netstal HCU5 board: added various fixes and POST

- Moved some common code to nestal/common/nm_bsp.c.
- Added support for the vxWorks EDR.
- Enable trace for Lauterbach, if present.
- Added support for POST.
- Stylistic cleanups (multi-line comments/ enforce 80 colomn width)

Signed-off-by: Niklaus Giger <niklaus.giger@netstal.com>
diff --git a/board/netstal/hcu5/Makefile b/board/netstal/hcu5/Makefile
index 27398b9..9645e45 100644
--- a/board/netstal/hcu5/Makefile
+++ b/board/netstal/hcu5/Makefile
@@ -23,9 +23,10 @@
 LIB	= $(obj)lib$(BOARD).a
 
 vpath hcu_flash.c ../common
+vpath nm_bsp.c ../common
 
 # NOBJS : Netstal common objects
-NOBJS	= hcu_flash.o
+NOBJS	= hcu_flash.o nm_bsp.o
 COBJS	= $(BOARD).o sdram.o
 SOBJS	= init.o