[Matrix]: add matrix to Makefile of the top directory.
[Matrix]: add matrix to Makefile of the top directory.

icoming/FlashGraph,flashxio/FlashX,icoming/FlashGraph,icoming/FlashX,icoming/FlashX,icoming/FlashX,flashxio/FlashX,icoming/FlashX,zheng-da/FlashX,zheng-da/FlashX,flashxio/FlashX,icoming/FlashGraph,icoming/FlashGraph,flashxio/FlashX,icoming/FlashX,zheng-da/FlashX,icoming/FlashGraph,flashxio/FlashX,zheng-da/FlashX,zheng-da/FlashX,flashxio/FlashX