qemu-options: Limit the -xen options to x86 and arm

The Xen hypervisor is only available on x86 and arm - thus let's
limit the related options to these targets.

Message-Id: <20220427133156.344418-1-thuth@redhat.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

qemu-options.hx

@@ -4186,16 +4186,17 @@ SRST
 ERST
 
 DEF("xen-domid", HAS_ARG, QEMU_OPTION_xen_domid,
-    "-xen-domid id   specify xen guest domain id\n", QEMU_ARCH_ALL)
+    "-xen-domid id   specify xen guest domain id\n",
+    QEMU_ARCH_ARM | QEMU_ARCH_I386)
 DEF("xen-attach", 0, QEMU_OPTION_xen_attach,
     "-xen-attach     attach to existing xen domain\n"
     "                libxl will use this when starting QEMU\n",
-    QEMU_ARCH_ALL)
+    QEMU_ARCH_ARM | QEMU_ARCH_I386)
 DEF("xen-domid-restrict", 0, QEMU_OPTION_xen_domid_restrict,
     "-xen-domid-restrict     restrict set of available xen operations\n"
     "                        to specified domain id. (Does not affect\n"
     "                        xenpv machine type).\n",
-    QEMU_ARCH_ALL)
+    QEMU_ARCH_ARM | QEMU_ARCH_I386)
 SRST
 ``-xen-domid id``
     Specify xen guest domain id (XEN only).