acpi: fix COM2._UID

Commit 8d7449771068824b8bdb51fe622c10660b373d4f broke this.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/src/acpi-dsdt-isa.dsl b/src/acpi-dsdt-isa.dsl
index cc5efde..23761db 100644
--- a/src/acpi-dsdt-isa.dsl
+++ b/src/acpi-dsdt-isa.dsl
@@ -85,7 +85,7 @@
 
     Device(COM2) {
         Name(_HID, EisaId("PNP0501"))
-        Name(_UID, 0x01)
+        Name(_UID, 0x02)
         Method(_STA, 0, NotSerialized) {
             Store(CBEN, Local0)
             If (LEqual(Local0, 0)) {