[PATCH] x86/shutdown: use DMI_MATCH2()

[Jan Beulich]

... to please Misra C:2012 Rule 9.3 (Arrays shall not be partially
initialized).

Fixes: d81dd3130351 ("x86/shutdown: change default reboot method preference")
Signed-off-by: Jan Beulich <jbeul...@suse.com>
---
Cc-ing REST since the two other x86 maintainers are away, yet the CI will
want fixing.

--- a/xen/arch/x86/shutdown.c
+++ b/xen/arch/x86/shutdown.c
@@ -498,10 +498,9 @@ static const struct dmi_system_id __init
         .callback = override_reboot,
         .driver_data = (void *)(long)BOOT_EFI,
         .ident = "Acer TravelMate X514-51T",
-        .matches = {
+        DMI_MATCH2(
             DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-            DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate X514-51T"),
-        },
+            DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate X514-51T")),
     },
     { }
 };