bitbake: Upgrade from 1.4 -> 1.7.4ish

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@863 311d38ba-8fff-0310-9ca6-ca027cbcb966

bitbake/classes/base.bbclass

@@ -41,7 +41,7 @@ bbdebug() {
 		exit 1
 	}
 
-	test ${@bb.debug_level} -ge $1 && {
+	test ${@bb.msg.debug_level} -ge $1 && {
 		shift
 		echo "DEBUG:" $*
 	}