xen/pvh: set xen_domain_type to HVM in xen_pvh_init

commit c9f804d64bb93c8dbf957df1d7e9de11380e522d upstream.

Or else xen_domain() returns false despite xen_pvh being set.
Signed-off-by: NRoger Pau Monné <roger.pau@citrix.com>
Reviewed-by: NBoris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: NBoris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: stable@vger.kernel.org # 4.19+
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/x86/xen/enlighten_pvh.c

@@ -97,6 +97,7 @@ void __init xen_prepare_pvh(void)
 	}
 
 	xen_pvh = 1;
+	xen_domain_type = XEN_HVM_DOMAIN;
 	xen_start_flags = pvh_start_info.flags;
 
 	msr = cpuid_ebx(xen_cpuid_base() + 2);