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, 31 deletions

diff --git a/target/linux/layerscape/patches-5.4/701-net-0356-sdk_dpaa-ethtool-drop-unused-variable.patch b/target/linux/layerscape/patches-5.4/701-net-0356-sdk_dpaa-ethtool-drop-unused-variable.patch
deleted file mode 100644
index 7d59d550fb..0000000000
--- a/target/linux/layerscape/patches-5.4/701-net-0356-sdk_dpaa-ethtool-drop-unused-variable.patch
+++ /dev/null
@@ -1,31 +0,0 @@
-From 77d8734e1870f842d1e62addec82e5c05c1a6630 Mon Sep 17 00:00:00 2001
-From: Camelia Groza <camelia.groza@nxp.com>
-Date: Tue, 29 Oct 2019 16:07:57 +0200
-Subject: [PATCH] sdk_dpaa: ethtool: drop unused variable
-
-Remove unused variable that was missed in past code refactorings.
-
-Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
----
- drivers/net/ethernet/freescale/sdk_dpaa/dpaa_ethtool.c | 3 +--
- 1 file changed, 1 insertion(+), 2 deletions(-)
-
---- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_ethtool.c
-+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_ethtool.c
-@@ -90,7 +90,6 @@ static char dpa_stats_global[][ETH_GSTRI
- static int __cold dpa_get_ksettings(struct net_device *net_dev,
- 		struct ethtool_link_ksettings *cmd)
- {
--	int			 _errno;
- 	struct dpa_priv_s	*priv;
- 
- 	priv = netdev_priv(net_dev);
-@@ -106,7 +105,7 @@ static int __cold dpa_get_ksettings(stru
- 
- 	phy_ethtool_ksettings_get(priv->mac_dev->phy_dev, cmd);
- 
--	return _errno;
-+	return 0;
- }
- 
- static int __cold dpa_set_ksettings(struct net_device *net_dev,