mb/asus/p8z77-m_pro: Reorder `_PTS` and `_WAK`

Done to preserve reproducibility when switching to a variant setup.

Change-Id: I4f3663d3b58c6245c9b73d370a48b8745ea5b95b
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54410
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/mainboard/asus/p8z77-m_pro/acpi/platform.asl

@@ -1,10 +1,10 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 
+Method(_PTS,1)
+{
+}
+
 Method(_WAK,1)
 {
 	Return(Package(){0,0})
 }
-
-Method(_PTS,1)
-{
-}