s390x/tcg: use s390_program_interrupt() in SACF

Convert this user, too.
Reviewed-by: NRichard Henderson <richard.henderson@linaro.org>
Reviewed-by: NThomas Huth <thuth@redhat.com>
Signed-off-by: NDavid Hildenbrand <david@redhat.com>
Message-Id: <20171130162744.25442-14-david@redhat.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

target/s390x/cc_helper.c

@@ -564,7 +564,7 @@ void HELPER(sacf)(CPUS390XState *env, uint64_t a1)
         break;
     default:
         HELPER_LOG("unknown sacf mode: %" PRIx64 "\n", a1);
-        program_interrupt(env, PGM_SPECIFICATION, 2);
+        s390_program_interrupt(env, PGM_SPECIFICATION, 2, GETPC());
         break;
     }
 }