Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/fpga/fpga-bridge.h b/include/linux/fpga/fpga-bridge.h
index ce550fc..817600a 100644
--- a/include/linux/fpga/fpga-bridge.h
+++ b/include/linux/fpga/fpga-bridge.h
@@ -69,4 +69,8 @@
 int fpga_bridge_register(struct fpga_bridge *br);
 void fpga_bridge_unregister(struct fpga_bridge *br);
 
+struct fpga_bridge
+*devm_fpga_bridge_create(struct device *dev, const char *name,
+			 const struct fpga_bridge_ops *br_ops, void *priv);
+
 #endif /* _LINUX_FPGA_BRIDGE_H */