Remove yaffs2_utils from kernel build

fs/yaffs2/utils/Makefile

-#Makefile for mkyaffs
-#
-# NB this is not yet suitable for putting into the kernel tree.
-# YAFFS: Yet another Flash File System. A NAND-flash specific file system. 
-#
-# Copyright (C) 2002 Aleph One Ltd.
-#   for Toby Churchill Ltd and Brightstar Engineering
-#
-# Created by Charles Manning <charles@aleph1.co.uk>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-
-## Change or override  KERNELDIR to your kernel
-
-#KERNELDIR = /usr/src/kernel-headers-2.4.18
-
-CFLAGS =   -I/usr/include -I.. -O2 -Wall -DCONFIG_YAFFS_UTIL
-CFLAGS+=   -Wshadow -Wpointer-arith -Wwrite-strings -Wstrict-prototypes -Wmissing-declarations
-CFLAGS+=   -Wmissing-prototypes -Wredundant-decls -Wnested-externs -Winline
-
-## Change if you are using a cross-compiler
-MAKETOOLS = 
-
-CC=$(MAKETOOLS)gcc
-
-COMMONLINKS = yaffs_ecc.c
-COMMONOBJS = $(COMMONLINKS:.c=.o)
-
-MKYAFFSSOURCES = mkyaffsimage.c
-MKYAFFSIMAGEOBJS = $(MKYAFFSSOURCES:.c=.o)
-
-MKYAFFS2SOURCES = mkyaffs2image.c
-MKYAFFS2LINKS = yaffs_packedtags2.c yaffs_tagsvalidity.c
-MKYAFFS2IMAGEOBJS = $(MKYAFFS2SOURCES:.c=.o) $(MKYAFFS2LINKS:.c=.o)
-
-all: mkyaffsimage mkyaffs2image
-
-$(COMMONLINKS) $(MKYAFFSLINKS) $(MKYAFFS2LINKS):
-	ln -s ../$@ $@
-
-$(COMMONOBJS) $(MKYAFFSIMAGEOBJS) $(MKYAFFS2IMAGEOBJS) : %.o: %.c
-	$(CC) -c $(CFLAGS) $< -o $@
-
-mkyaffsimage: $(COMMONOBJS) $(MKYAFFSIMAGEOBJS)
-	$(CC) -o $@ $(COMMONOBJS) $(MKYAFFSIMAGEOBJS)
-
-mkyaffs2image: $(COMMONOBJS) $(MKYAFFS2IMAGEOBJS)
-	$(CC) -o $@ $(COMMONOBJS) $(MKYAFFS2IMAGEOBJS)
-
-install: mkyaffs2image
-	@install -p mkyaffs2image ${PRJROOT}/images/ > /dev/null
-
-clean:
-	rm -f $(COMMONOBJS) $(MKYAFFSIMAGEOBJS) $(MKYAFFS2IMAGEOBJS) $(COMMONLINKS) $(MKYAFFSLINKS) $(MKYAFFS2LINKS) mkyaffsimage mkyaffs2image core