kernel: bump 4.19 to 4.19.51

Refreshed all patches.

Altered patches:
- 370-netfilter-nf_flow_table-fix-offloaded-connection-tim.patch
- 220-optimize_inlining.patch
- 640-netfilter-nf_flow_table-add-hardware-offload-support.patch

This patch also restores the initial implementation
of the ath79 perfcount IRQ issue. (78ee6b1a40b5)
It was wrongfully backported upstream initially and got reverted now.

Compile-tested on: cns3xxx, imx6
Runtime-tested on: cns3xxx, imx6

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/target/linux/generic/backport-4.19/371-netfilter-nf_flow_table-fix-up-ct-state-of-flows-aft.patch b/target/linux/generic/backport-4.19/371-netfilter-nf_flow_table-fix-up-ct-state-of-flows-aft.patch
index 5ee55b8f08..9fb9ed9ad3 100644
--- a/target/linux/generic/backport-4.19/371-netfilter-nf_flow_table-fix-up-ct-state-of-flows-aft.patch
+++ b/target/linux/generic/backport-4.19/371-netfilter-nf_flow_table-fix-up-ct-state-of-flows-aft.patch
@@ -12,7 +12,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 
 --- a/net/netfilter/nf_flow_table_core.c
 +++ b/net/netfilter/nf_flow_table_core.c
-@@ -231,6 +231,9 @@ static void flow_offload_del(struct nf_f
+@@ -242,6 +242,9 @@ static void flow_offload_del(struct nf_f
  	e = container_of(flow, struct flow_offload_entry, flow);
  	clear_bit(IPS_OFFLOAD_BIT, &e->ct->status);