target-s390x: implement LAY and LAEY instructions

This complete the general-instructions-extension facility, enable it.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
[agraf: remove facility bit]
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index e10aa6b..7507062 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -357,6 +357,9 @@
 /* LOAD ADDRESS */
     C(0x4100, LA,      RX_a,  Z,   0, a2, 0, r1, mov2, 0)
     C(0xe371, LAY,     RXY_a, LD,  0, a2, 0, r1, mov2, 0)
+/* LOAD ADDRESS EXTENDED */
+    C(0x5100, LAE,     RX_a,  Z,   0, a2, 0, r1, mov2e, 0)
+    C(0xe375, LAEY,    RXY_a, GIE, 0, a2, 0, r1, mov2e, 0)
 /* LOAD ADDRESS RELATIVE LONG */
     C(0xc000, LARL,    RIL_b, Z,   0, ri2, 0, r1, mov2, 0)
 /* LOAD AND ADD */