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, 76 deletions

diff --git a/target/linux/generic/hack-5.4/911-kobject_add_broadcast_uevent.patch b/target/linux/generic/hack-5.4/911-kobject_add_broadcast_uevent.patch
deleted file mode 100644
index 6f5e50d091..0000000000
--- a/target/linux/generic/hack-5.4/911-kobject_add_broadcast_uevent.patch
+++ /dev/null
@@ -1,76 +0,0 @@
-From 0d37e6edc09c99e683dd91ca0e83bbc0df8477b3 Mon Sep 17 00:00:00 2001
-From: Felix Fietkau <nbd@nbd.name>
-Date: Sun, 16 Jul 2017 16:56:10 +0200
-Subject: lib: add uevent_next_seqnum()
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
- include/linux/kobject.h |  5 +++++
- lib/kobject_uevent.c    | 37 +++++++++++++++++++++++++++++++++++++
- 2 files changed, 42 insertions(+)
-
---- a/include/linux/kobject.h
-+++ b/include/linux/kobject.h
-@@ -32,6 +32,8 @@
- #define UEVENT_NUM_ENVP			32	/* number of env pointers */
- #define UEVENT_BUFFER_SIZE		2048	/* buffer for the variables */
- 
-+struct sk_buff;
-+
- #ifdef CONFIG_UEVENT_HELPER
- /* path to the userspace helper executed on an event */
- extern char uevent_helper[];
-@@ -245,4 +247,7 @@ int kobject_synth_uevent(struct kobject
- __printf(2, 3)
- int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...);
- 
-+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
-+		     gfp_t allocation);
-+
- #endif /* _KOBJECT_H_ */
---- a/lib/kobject_uevent.c
-+++ b/lib/kobject_uevent.c
-@@ -691,6 +691,43 @@ int add_uevent_var(struct kobj_uevent_en
- EXPORT_SYMBOL_GPL(add_uevent_var);
- 
- #if defined(CONFIG_NET)
-+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
-+		     gfp_t allocation)
-+{
-+	struct uevent_sock *ue_sk;
-+	int err = 0;
-+
-+	/* send netlink message */
-+	mutex_lock(&uevent_sock_mutex);
-+	list_for_each_entry(ue_sk, &uevent_sock_list, list) {
-+		struct sock *uevent_sock = ue_sk->sk;
-+		struct sk_buff *skb2;
-+
-+		skb2 = skb_clone(skb, allocation);
-+		if (!skb2)
-+			break;
-+
-+		err = netlink_broadcast(uevent_sock, skb2, pid, group,
-+					allocation);
-+		if (err)
-+			break;
-+	}
-+	mutex_unlock(&uevent_sock_mutex);
-+
-+	kfree_skb(skb);
-+	return err;
-+}
-+#else
-+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
-+		     gfp_t allocation)
-+{
-+	kfree_skb(skb);
-+	return 0;
-+}
-+#endif
-+EXPORT_SYMBOL_GPL(broadcast_uevent);
-+
-+#if defined(CONFIG_NET)
- static int uevent_net_broadcast(struct sock *usk, struct sk_buff *skb,
- 				struct netlink_ext_ack *extack)
- {