linux-headers: bump 4.{1, 4, 9, 14, 15}.x series

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 9ef8f6b061b552012b767b83c7b21e5e3fb9fff7)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/linux-headers/Config.in.host

@@ -241,13 +241,13 @@ endchoice
 config BR2_DEFAULT_KERNEL_HEADERS
 	string
 	default "3.2.101"	if BR2_KERNEL_HEADERS_3_2
-	default "4.1.50"	if BR2_KERNEL_HEADERS_4_1
-	default "4.4.124"	if BR2_KERNEL_HEADERS_4_4
-	default "4.9.90"	if BR2_KERNEL_HEADERS_4_9
+	default "4.1.51"	if BR2_KERNEL_HEADERS_4_1
+	default "4.4.125"	if BR2_KERNEL_HEADERS_4_4
+	default "4.9.91"	if BR2_KERNEL_HEADERS_4_9
 	default "4.10.17"	if BR2_KERNEL_HEADERS_4_10
 	default "4.11.12"	if BR2_KERNEL_HEADERS_4_11
 	default "4.12.14"	if BR2_KERNEL_HEADERS_4_12
 	default "4.13.16"	if BR2_KERNEL_HEADERS_4_13
-	default "4.14.30"	if BR2_KERNEL_HEADERS_4_14
-	default "4.15.13"	if BR2_KERNEL_HEADERS_4_15
+	default "4.14.31"	if BR2_KERNEL_HEADERS_4_14
+	default "4.15.14"	if BR2_KERNEL_HEADERS_4_15
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION