Infinity Ergodox - Add matrix.c and led.c

keyboards/infinity_ergodox/Makefile

@@ -1,3 +1,7 @@
+# project specific files
+SRC =	matrix.c \
+	led.c
+
 ## chip/board settings
 # - the next two should match the directories in
 #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)

keyboards/infinity_ergodox/matrix.c

@@ -24,7 +24,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "print.h"
 #include "debug.h"
 #include "matrix.h"
-#include "serial_link/system/serial_link.h"
 
 
 /*