Fix k_type

keyboards/k_type/k_type.c

@@ -15,3 +15,17 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include "k_type.h"
+
+__attribute__ ((weak))
+void matrix_init_user(void) {
+}
+
+__attribute__ ((weak))
+void matrix_scan_user(void) {
+}
+
+void matrix_init_kb(void) {
+}
+
+void matrix_scan_kb(void) {
+}