mac80211: remove obsolete patches

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 44669

package/kernel/mac80211/patches/081-backport-devm_kmemdup.patch

@@ -1,23 +0,0 @@
---- a/backport-include/linux/device.h
-+++ b/backport-include/linux/device.h
-@@ -200,4 +200,20 @@ static inline void *devm_kmemdup(struct
- #endif
- 
- 
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,15,0)
-+#define devm_kmemdup LINUX_BACKPORT(devm_kmemdup)
-+static inline void *devm_kmemdup(struct device *dev, const void *src,
-+				 size_t len, gfp_t gfp)
-+{
-+	void *p;
-+
-+	p = devm_kmalloc(dev, len, gfp);
-+	if (p)
-+		memcpy(p, src, len);
-+
-+	return p;
-+}
-+#endif
-+
-+
- #endif /* __BACKPORT_DEVICE_H */

package/kernel/mac80211/patches/082-backport-list_last_entry.patch

@@ -1,20 +0,0 @@
---- a/backport-include/linux/list.h
-+++ b/backport-include/linux/list.h
-@@ -88,4 +88,17 @@
- 	list_entry((ptr)->prev, type, member)
- #endif
- 
-+#ifndef list_last_entry
-+/**
-+ * list_last_entry - get the last element from a list
-+ * @ptr:	the list head to take the element from.
-+ * @type:	the type of the struct this is embedded in.
-+ * @member:	the name of the list_struct within the struct.
-+ *
-+ * Note, that list is expected to be not empty.
-+ */
-+#define list_last_entry(ptr, type, member) \
-+	list_entry((ptr)->prev, type, member)
-+#endif
-+
- #endif /* __BACKPORT_LIST_H */