Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/sound/firewire/Kconfig b/sound/firewire/Kconfig
index 529d9f4..b0a904c 100644
--- a/sound/firewire/Kconfig
+++ b/sound/firewire/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 menuconfig SND_FIREWIRE
 	bool "FireWire sound devices"
 	depends on FIREWIRE
@@ -41,6 +42,7 @@
 	   * Mackie(Loud) U.420/U.420d
 	   * TASCAM FireOne
 	   * Stanton Controllers & Systems 1 Deck/Mixer
+	   * APOGEE duet FireWire
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called snd-oxfw.
@@ -147,7 +149,9 @@
 	help
 	 Say Y here to enable support for FireWire devices which MOTU produced:
 	  * 828mk2
+	  * Traveler
 	  * 828mk3
+	  * Audio Express
 
 	 To compile this driver as a module, choose M here: the module
 	 will be called snd-firewire-motu.
@@ -159,5 +163,7 @@
 	help
 	 Say Y here to include support for RME fireface series.
 	  * Fireface 400
+	  * Fireface 800
+	  * Fireface UCX
 
 endif # SND_FIREWIRE