Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c
index 32d1333..3a21a6a 100644
--- a/arch/mips/alchemy/common/time.c
+++ b/arch/mips/alchemy/common/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2008-2009 Manuel Lauss <manuel.lauss@gmail.com>
  *
@@ -10,19 +11,6 @@
  *
  * ########################################################################
  *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope 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.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
  * ########################################################################
  *
  * Clocksource/event using the 32.768kHz-clocked Counter1 ('RTC' in the
@@ -81,7 +69,7 @@
 	.features	= CLOCK_EVT_FEAT_ONESHOT,
 	.rating		= 1500,
 	.set_next_event = au1x_rtcmatch2_set_next_event,
-	.cpumask	= cpu_all_mask,
+	.cpumask	= cpu_possible_mask,
 };
 
 static struct irqaction au1x_rtcmatch2_irqaction = {