Add matchstick based on rk30sdk.

Change-Id: I8342bf8bb4d7fd713af63859fa8666a48afde586
Signed-off-by: Bao Zhen <bz@infthink.com>
Add external/mac

Change-Id: Idafdcb6c75175d0e4a393a81f209fa092b7fec56