Add a target in root Makefile to build dsp stack.
-rw-r--r-- 3747 buildspec.mk.default
-rw-r--r-- 5562 cleanspec.mk
drwxr-xr-x - core
-rw-r--r-- 26887 envsetup.sh
drwxr-xr-x - libs
drwxr-xr-x - target
drwxr-xr-x - tools