Add FORCE Z14

from patch provided by aarnez in #991

Author: martin-frbg

getarch.c

@@ -1085,6 +1085,16 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define CORENAME  "Z13"
 #endif
 
+#ifdef FORCE_Z14
+#define FORCE
+#define ARCHITECTURE    "ZARCH"
+#define SUBARCHITECTURE "Z14"
+#define ARCHCONFIG   "-DZ14 " \
+       "-DDTB_DEFAULT_ENTRIES=64"
+#define LIBNAME   "z14"
+#define CORENAME  "Z14"
+#endif
+
 #ifndef FORCE
 
 #ifdef USER_TARGET