add /debug directory to main Makefile 
Signed-off-by: Jeffrey Vernon Merkey (jmerkey@wolfmountaingroup.com)
--- a/Makefile	2008-08-19 14:10:42.000000000 -0600

+++ b/Makefile	2008-08-19 14:09:39.000000000 -0600

@@ -620,6 +620,7 @@
 ifeq ($(KBUILD_EXTMOD),)

 core-y		+= kernel/ mm/ fs/ ipc/ security/ crypto/ block/

+core-$(CONFIG_MDB) += debug/
 vmlinux-dirs	:= $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \

 		     $(core-y) $(core-m) $(drivers-y) $(drivers-m) \

--