lz4: upgrade 1.9.3 -> 1.9.4

CVE-2021-3520.patch
removed since it's included in 1.9.4

License-Update:
  Copyright year updated to 2020
  description of 3rd party applications changed

(From OE-Core rev: 8883d3992078ae24c2601ebf844223fa6e056ded)

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
(cherry picked from commit f95c66050bc69af7769d1868b0118cefb24e5b0d)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/lz4/files/CVE-2021-3520.patch

@@ -1,27 +0,0 @@
-From 8301a21773ef61656225e264f4f06ae14462bca7 Mon Sep 17 00:00:00 2001
-From: Jasper Lievisse Adriaanse <j@jasper.la>
-Date: Fri, 26 Feb 2021 15:21:20 +0100
-Subject: [PATCH] Fix potential memory corruption with negative memmove() size
-
-Upstream-Status: Backport
-https://github.com/lz4/lz4/commit/8301a21773ef61656225e264f4f06ae14462bca7#diff-7055e9cf14c488aea9837aaf9f528b58ee3c22988d7d0d81d172ec62d94a88a7
-CVE: CVE-2021-3520
-Signed-off-by: Armin Kuster <akuster@mvista.com>
-
----
- lib/lz4.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-Index: git/lib/lz4.c
-===================================================================
---- git.orig/lib/lz4.c
-+++ git/lib/lz4.c
-@@ -1665,7 +1665,7 @@ LZ4_decompress_generic(
-                  const size_t dictSize         /* note : = 0 if noDict */
-                  )
- {
--    if (src == NULL) { return -1; }
-+    if ((src == NULL) || (outputSize < 0)) { return -1; }
- 
-     {   const BYTE* ip = (const BYTE*) src;
-         const BYTE* const iend = ip + srcSize;

meta/recipes-support/lz4/lz4_1.9.4.bb

@@ -3,18 +3,16 @@ DESCRIPTION = "LZ4 is a very fast lossless compression algorithm, providing comp
 HOMEPAGE = "https://github.com/lz4/lz4"
 
 LICENSE = "BSD-2-Clause | GPL-2.0-only"
-LIC_FILES_CHKSUM = "file://lib/LICENSE;md5=ebc2ea4814a64de7708f1571904b32cc \
+LIC_FILES_CHKSUM = "file://lib/LICENSE;md5=5cd5f851b52ec832b10eedb3f01f885a \
                     file://programs/COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263 \
-                    file://LICENSE;md5=d57c0d21cb917fb4e0af2454aa48b956 \
+                    file://LICENSE;md5=c5cc3cd6f9274b4d32988096df9c3ec3 \
                     "
 
 PE = "1"
 
-SRCREV = "d44371841a2f1728a3f36839fd4b7e872d0927d3"
+SRCREV = "5ff839680134437dbf4678f3d0c7b371d84f4964"
 
-SRC_URI = "git://github.com/lz4/lz4.git;branch=release;protocol=https \
-           file://CVE-2021-3520.patch \
-           "
+SRC_URI = "git://github.com/lz4/lz4.git;branch=release;protocol=https"
 UPSTREAM_CHECK_GITTAGREGEX = "v(?P<pver>.*)"
 
 S = "${WORKDIR}/git"