Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/usb/ccid.h b/include/linux/usb/ccid.h
new file mode 100644
index 0000000..a3a73cf
--- /dev/null
+++ b/include/linux/usb/ccid.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *  Copyright (c) 2018  Vincent Pelletier
+ */
+/*
+ */
+#ifndef __CCID_H
+#define __CCID_H
+
+#include <linux/types.h>
+
+#define USB_INTERFACE_CLASS_CCID 0x0b
+
+struct ccid_descriptor {
+	__u8  bLength;
+	__u8  bDescriptorType;
+	__le16 bcdCCID;
+	__u8  bMaxSlotIndex;
+	__u8  bVoltageSupport;
+	__le32 dwProtocols;
+	__le32 dwDefaultClock;
+	__le32 dwMaximumClock;
+	__u8  bNumClockSupported;
+	__le32 dwDataRate;
+	__le32 dwMaxDataRate;
+	__u8  bNumDataRatesSupported;
+	__le32 dwMaxIFSD;
+	__le32 dwSynchProtocols;
+	__le32 dwMechanical;
+	__le32 dwFeatures;
+	__le32 dwMaxCCIDMessageLength;
+	__u8  bClassGetResponse;
+	__u8  bClassEnvelope;
+	__le16 wLcdLayout;
+	__u8  bPINSupport;
+	__u8  bMaxCCIDBusySlots;
+} __attribute__ ((packed));
+
+#endif /* __CCID_H */