[][MAC80211][app][Change netfilter.mk for backport flowoffload]

[Description]
Change netfilter.mk for backport flowoffload.
Build conflict with nf_flow_table.ko.
Remove it if enable flowoffload

[Release-log]
N/A

Change-Id: Id49d2d23d0363259cafa225aa739372a67ecc078
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6222693
diff --git a/autobuild_mac80211_release/0004-2102-netfilter-remove-nf_flow_table_hw.patch b/autobuild_mac80211_release/0004-2102-netfilter-remove-nf_flow_table_hw.patch
new file mode 100644
index 0000000..1ca88be
--- /dev/null
+++ b/autobuild_mac80211_release/0004-2102-netfilter-remove-nf_flow_table_hw.patch
@@ -0,0 +1,15 @@
+diff --git a/package/kernel/linux/modules/netfilter.mk b/package/kernel/linux/modules/netfilter.mk
+index f18a3ad..a93ad60 100644
+--- a/package/kernel/linux/modules/netfilter.mk
++++ b/package/kernel/linux/modules/netfilter.mk
+@@ -154,7 +154,6 @@ define KernelPackage/nf-flow
+   DEPENDS:=+kmod-nf-conntrack
+   FILES:= \
+ 	$(LINUX_DIR)/net/netfilter/nf_flow_table.ko \
+-	$(LINUX_DIR)/net/netfilter/nf_flow_table_hw.ko
+   AUTOLOAD:=$(call AutoProbe,nf_flow_table nf_flow_table_hw)
+ endef
+ 
+-- 
+2.36.1
+