{mb/facebook/fbg1701,mb/portwell/m107}: Drop PWRB device

The mainboard ASL code contained a power button definition. This is not
required as the system uses the standard ACPI power button.

Remove the PWRB device from ASL.

BUG=N/A
TEST=build

Found-by: fwts 19.12.00
Change-Id: I4fac1411fd99475551bc970818759649f80b3f0e
Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38134
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/facebook/fbg1701/acpi/mainboard.asl b/src/mainboard/facebook/fbg1701/acpi/mainboard.asl
index af79bd7..a7c9849 100644
--- a/src/mainboard/facebook/fbg1701/acpi/mainboard.asl
+++ b/src/mainboard/facebook/fbg1701/acpi/mainboard.asl
@@ -16,15 +16,6 @@
  * GNU General Public License for more details.
  */
 
-Scope (\_SB)
-{
-	Device (PWRB)
-	{
-		Name (_HID, EisaId ("PNP0C0C"))
-		Name (_UID, 1)
-	}
-}
-
 /*
  * Onboard CPLD
  */
diff --git a/src/mainboard/portwell/m107/acpi/mainboard.asl b/src/mainboard/portwell/m107/acpi/mainboard.asl
deleted file mode 100644
index 2c325c6..0000000
--- a/src/mainboard/portwell/m107/acpi/mainboard.asl
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2012 Google Inc.
- * Copyright (C) 2015 Intel Corp.
- * Copyright (C) 2018 Eltan B.V.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-Scope (\_SB)
-{
-	Device (PWRB)
-	{
-		Name (_HID, EisaId ("PNP0C0C"))
-		Name (_UID, 1)
-	}
-}
diff --git a/src/mainboard/portwell/m107/dsdt.asl b/src/mainboard/portwell/m107/dsdt.asl
index 6fcb39a..ced3e10 100644
--- a/src/mainboard/portwell/m107/dsdt.asl
+++ b/src/mainboard/portwell/m107/dsdt.asl
@@ -45,5 +45,4 @@
 
 	/* Mainboard specific sleep states */
 	#include "acpi/sleepstates.asl"
-	#include "acpi/mainboard.asl"
 }