Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/Documentation/usb/usb-help.rst b/Documentation/usb/usb-help.rst
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+==============
+USB references
+==============
+
+2008-Mar-7
+
+For USB help other than the readme files that are located in
+`Documentation/usb/*`, see the following:
+
+- Linux-USB project:  http://www.linux-usb.org
+  mirrors at          http://usb.in.tum.de/linux-usb/
+  and                 http://it.linux-usb.org
+- Linux USB Guide:    http://linux-usb.sourceforge.net
+- Linux-USB device overview (working devices and drivers):
+  http://www.qbik.ch/usb/devices/
+
+The Linux-USB mailing list is at linux-usb@vger.kernel.org