{linux, linux-headers}: bump 4.{4, 9, 14, 19}.x / 5.{1, 2}.x series

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit cb60af60022fc4448934e0f30e8307718ea853d2)
[Peter: drop 5.2.x bump]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

linux/linux.hash

@@ -1,8 +1,8 @@
 # From https://www.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
-sha256 8a3e55be3e788700836db6f75875b4d3b824a581d1eacfc2fcd29ed4e727ba3e  linux-5.1.16.tar.xz
+sha256 56495f82314f0dfb84a3fe7fad78e17be69c4fd36ef46f2452458b2fa1e341f6  linux-5.1.21.tar.xz
 sha256 98d307a546c95a215dee675ffa4b63c2a7a29e7af839f0d8dfb96dbb61aac2d7  linux-5.0.21.tar.xz
 # From https://www.kernel.org/pub/linux/kernel/v4.x/sha256sums.asc
-sha256 327c5759d5888361d6c9d6adb0c8ad7e3c624eb05bb9e5869d9f3078dd0d3f87  linux-4.19.57.tar.xz
-sha256 da86f39a722da656fce4e2685223093b5d5f4db94046fcd79e492428a82ff330  linux-4.14.132.tar.xz
-sha256 6543232fc082485c1088830b9456e1a6e511239e4bf98817b0166ee62cafc3ca  linux-4.4.184.tar.xz
-sha256 033114d5350525dede995d31b596c31b0e26db8d77a0a1c53d36cdc36ead9faf  linux-4.9.184.tar.xz
+sha256 07be647189ced7eb8ba5ee769906e67919975772184842cc517f609df50cdadc  linux-4.19.62.tar.xz
+sha256 0b21e7b5effd92303a551b5be2380c9703d6fb87cfe5189fe0d795cc73903d2d  linux-4.14.134.tar.xz
+sha256 242484430d0729791d8efd92181b7d34b4021050646c6e00cf459866eab94b6a  linux-4.9.186.tar.xz
+sha256 0b1273d35c0664234e069f1ba894161b466679f6e1053f44fcf4098290937984  linux-4.4.186.tar.xz

package/linux-headers/Config.in.host

@@ -297,12 +297,12 @@ endchoice
 
 config BR2_DEFAULT_KERNEL_HEADERS
 	string
-	default "4.4.184"	if BR2_KERNEL_HEADERS_4_4
-	default "4.9.184"	if BR2_KERNEL_HEADERS_4_9
-	default "4.14.132"	if BR2_KERNEL_HEADERS_4_14
-	default "4.19.57"	if BR2_KERNEL_HEADERS_4_19
+	default "4.4.186"	if BR2_KERNEL_HEADERS_4_4
+	default "4.9.186"	if BR2_KERNEL_HEADERS_4_9
+	default "4.14.134"	if BR2_KERNEL_HEADERS_4_14
+	default "4.19.62"	if BR2_KERNEL_HEADERS_4_19
 	default "5.0.21"	if BR2_KERNEL_HEADERS_5_0
-	default "5.1.16"	if BR2_KERNEL_HEADERS_5_1
+	default "5.1.21"	if BR2_KERNEL_HEADERS_5_1
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION
 	default "custom"	if BR2_KERNEL_HEADERS_CUSTOM_TARBALL
 	default BR2_KERNEL_HEADERS_CUSTOM_REPO_VERSION \