SWPROT-8953: build: Make more generic not only for zpc

No need to hardcode zpc stuff since v7.
It will be reintroduced elsewhere (check upcoming PRs on github)

yarn is also used by EMD

Signed-off-by: Philippe Coval <philippe.coval@silabs.com>

Author: rzr

helper.mk

@@ -162,7 +162,7 @@ build: ${build_dir}/CMakeCache.txt
 ${build_dir}/%: build
 	file -E "$@"
 
-default/test: ${build_dir}
+test: ${build_dir}
 	ctest --test-dir ${<}
 
 zpc/test: ${build_dir}/applications/zpc/components/zwave_command_classes/