Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/net/ppp/Kconfig b/drivers/net/ppp/Kconfig
index 1373c6d..1a2e2f7 100644
--- a/drivers/net/ppp/Kconfig
+++ b/drivers/net/ppp/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # PPP network device configuration
 #
@@ -86,8 +87,7 @@
 	depends on PPP
 	select CRYPTO
 	select CRYPTO_SHA1
-	select CRYPTO_ARC4
-	select CRYPTO_ECB
+	select CRYPTO_LIB_ARC4
 	---help---
 	  Support for the MPPE Encryption protocol, as employed by the
 	  Microsoft Point-to-Point Tunneling Protocol.