tools: mkdir build directories

Signed-off-by: Matt Turner <mattst88@gentoo.org>

tools/catalyst-auto-qemu-mips-common

@@ -55,6 +55,7 @@ update_symlinks() {
 	# Symlink the latest stages3 to build from
 	local d f
 	for d in "${BUILD_SRCDIR_BASE}/builds/default" ; do
+		mkdir -p "${d}"
 		pushd "${d}" >/dev/null
 		for f in $(ls stage3*xz | grep -v latest | give_latest_from_dates) ; do
 			local of=$(echo "${f}" | convert_filename)