kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 25 deletions

diff --git a/target/linux/generic/backport-5.4/500-v5.13-ubifs-default-to-zstd-compression.patch b/target/linux/generic/backport-5.4/500-v5.13-ubifs-default-to-zstd-compression.patch
deleted file mode 100644
index dd50c19c27..0000000000
--- a/target/linux/generic/backport-5.4/500-v5.13-ubifs-default-to-zstd-compression.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From dcdf415b740923530dc71d89fecc8361078473f5 Mon Sep 17 00:00:00 2001
-From: Rui Salvaterra <rsalvaterra@gmail.com>
-Date: Mon, 5 Apr 2021 16:11:55 +0100
-Subject: [PATCH] ubifs: default to zstd compression
-
-Compared to lzo and zlib, zstd is the best all-around performer, both in terms
-of speed and compression ratio. Set it as the default, if available.
-
-Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
----
- fs/ubifs/sb.c | 3 +++
- 1 file changed, 3 insertions(+)
-
---- a/fs/ubifs/sb.c
-+++ b/fs/ubifs/sb.c
-@@ -53,6 +53,9 @@
- 
- static int get_default_compressor(struct ubifs_info *c)
- {
-+	if (ubifs_compr_present(c, UBIFS_COMPR_ZSTD))
-+		return UBIFS_COMPR_ZSTD;
-+
- 	if (ubifs_compr_present(c, UBIFS_COMPR_LZO))
- 		return UBIFS_COMPR_LZO;
-