HV: enable lapic passthru for logical partition VM1

Tracked-On: #2291

Signed-off-by: Victor Sun <victor.sun@intel.com>

Author: jsun26intel

hypervisor/scenarios/logical_partition/vm_configurations.c

@@ -50,7 +50,7 @@ struct acrn_vm_config vm_configs[CONFIG_MAX_VM_NUM] = {
 			/* dd87ce08-66f9-473d-bc58-7605837f935e */
 		.pcpu_bitmap = VM1_CONFIG_PCPU_BITMAP,
 		.cpu_num = VM1_CONFIG_NUM_CPUS,
-		.guest_flags = GUEST_FLAG_IO_COMPLETION_POLLING,
+		.guest_flags = (GUEST_FLAG_RT | GUEST_FLAG_LAPIC_PASSTHROUGH | GUEST_FLAG_IO_COMPLETION_POLLING),
 		.clos = 0U,
 		.memory = {
 			.start_hpa = VM1_CONFIG_MEM_START_HPA,