kernel: bump 4.19 to 4.19.16

Refresh patches.
Remove upstreamed patches:
- backport/096-mips-math-emu-Write-protect-delay-slot-emulation-pages.patch
- backport/096-v4.20-netfilter-ipv6-Preserve-link-scope-traffic-original-.patch
- backport/424-v4.20-net-dsa-fix-88e6060-roaming.patch
- hack/100-mtd-rawnand-qcom-fix-memory-corruption-that-causes-p.patch
- pending/510-f2fs-fix-sanity_check_raw_super-on-big-endian-machines.patch
Update patch that no longer applies:
- backport/343-netfilter-nft_flow_offload-handle-netdevice-events-f.patch

Compile-tested: mesongx
Runtime-tested: mesongx

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

target/linux/bcm53xx/patches-4.19/400-mtd-spi-nor-detect-JEDEC-incompatible-w25q128-using-.patch

@@ -13,7 +13,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
 
 --- a/drivers/mtd/spi-nor/spi-nor.c
 +++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -1294,6 +1294,18 @@ static const struct flash_info *spi_nor_
+@@ -1295,6 +1295,18 @@ static const struct flash_info *spi_nor_
  	}
  	dev_err(nor->dev, "unrecognized JEDEC id bytes: %02x, %02x, %02x\n",
  		id[0], id[1], id[2]);

target/linux/bcm53xx/patches-4.19/905-BCM53573-minor-hacks.patch

@@ -21,7 +21,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  	clocks {
 --- a/drivers/bcma/main.c
 +++ b/drivers/bcma/main.c
-@@ -348,14 +348,6 @@ static int bcma_register_devices(struct
+@@ -330,14 +330,6 @@ static int bcma_register_devices(struct
  	}
  #endif
  
@@ -36,7 +36,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  #ifdef CONFIG_BCMA_NFLASH
  	if (bus->drv_cc.nflash.present) {
  		err = platform_device_register(&bcma_nflash_dev);
-@@ -436,6 +428,14 @@ int bcma_bus_register(struct bcma_bus *b
+@@ -415,6 +407,14 @@ int bcma_bus_register(struct bcma_bus *b
  			bcma_register_core(bus, core);
  	}