kernel: bump 4.19 to 4.19.122

Refreshed all patches.

Remove upstreamed:
- 551-loop-Better-discard-support-for-block-devices.patch

Fixed:
- CVE-2020-11884
- CVE-2020-12114
- CVE-2019-3016
- CVE-2020-11669

Compile-tested on: cns3xxx
Runtime-tested on: cns3xxx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>

target/linux/generic/pending-4.19/270-platform-mikrotik-build-bits.patch

@@ -14,25 +14,18 @@ Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>
  drivers/platform/Makefile | 1 +
  2 files changed, 3 insertions(+)
 
-diff --git a/drivers/platform/Kconfig b/drivers/platform/Kconfig
-index c11db8b..0283f0b 100644
 --- a/drivers/platform/Kconfig
 +++ b/drivers/platform/Kconfig
-@@ -10,3 +10,5 @@
+@@ -10,3 +10,5 @@ source "drivers/platform/goldfish/Kconfi
  source "drivers/platform/chrome/Kconfig"
-
+ 
  source "drivers/platform/mellanox/Kconfig"
 +
 +source "drivers/platform/mikrotik/Kconfig"
-diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile
-index d3a6630..ad290c3 100644
 --- a/drivers/platform/Makefile
 +++ b/drivers/platform/Makefile
-@@ -9,3 +9,4 @@
+@@ -9,3 +9,4 @@ obj-$(CONFIG_MIPS)		+= mips/
  obj-$(CONFIG_OLPC)		+= olpc/
  obj-$(CONFIG_GOLDFISH)		+= goldfish/
  obj-$(CONFIG_CHROME_PLATFORMS)	+= chrome/
 +obj-$(CONFIG_MIKROTIK)		+= mikrotik/
--- 
-2.11.0
-