linux, linux-headers}: bump 4.{4, 9, 14, 19}.x / 5.4.x series

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit c7a9e2be8a60720b79fd0f092369558bc98b7b05)
[Peter: drop 5.4.x bump]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

linux/linux.hash

@@ -1,6 +1,6 @@
 # From https://www.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
 sha256 20f14917c4f33122cfa12963a7d3180fe6f4685cacfe984553b2b5b4ad20638c  linux-5.3.18.tar.xz
-sha256  b6aa65ee2c0767864175e3a9cf7b0b3751263b04a7c8a6e760e9b982282fa76c  linux-4.4.214.tar.xz
-sha256  b47f093dac7034c7c4722e80042c05e4ef53c14a4f28aa992117a127d2b1e483  linux-4.9.214.tar.xz
-sha256  4fe02489e4b4a187eccf0ef87df6100534c9d485e76d876b1fa247c7635332a0  linux-4.14.171.tar.xz
-sha256  63c8bd76a9b282e18112f8ff9e3fd41e3d1df9f9b7248ea1a370b05a827e9cda  linux-4.19.106.tar.xz
+sha256  28bcd3d4201da9feefdf3bcd65c516dd674acbbf45681ce3c7d784c53b33fe03  linux-4.4.215.tar.xz
+sha256  236f2f47853700f22b9925cb17917d97ff7120fcc8110ec827c5a030a8129f48  linux-4.9.215.tar.xz
+sha256  2318a1ab937580a079351ed20557c336a3d95b664f667b14e3ba49e3271b217a  linux-4.14.172.tar.xz
+sha256  654bac198d38e03e7bff9e2642b01f498dc0fa5d06198edd14bc30fe7fbf0240  linux-4.19.107.tar.xz

package/linux-headers/Config.in.host

@@ -305,10 +305,10 @@ endchoice
 
 config BR2_DEFAULT_KERNEL_HEADERS
 	string
-	default "4.4.214"	if BR2_KERNEL_HEADERS_4_4
-	default "4.9.214"	if BR2_KERNEL_HEADERS_4_9
-	default "4.14.171"	if BR2_KERNEL_HEADERS_4_14
-	default "4.19.106"	if BR2_KERNEL_HEADERS_4_19
+	default "4.4.215"	if BR2_KERNEL_HEADERS_4_4
+	default "4.9.215"	if BR2_KERNEL_HEADERS_4_9
+	default "4.14.172"	if BR2_KERNEL_HEADERS_4_14
+	default "4.19.107"	if BR2_KERNEL_HEADERS_4_19
 	default "5.3.18"	if BR2_KERNEL_HEADERS_5_3
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION
 	default "custom"	if BR2_KERNEL_HEADERS_CUSTOM_TARBALL