linux-headers: bump 4.{4, 9, 11}.x series

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 13a6a126fcfbfe63690955f0fb0c3118358049cc)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/linux-headers/Config.in.host

@@ -227,8 +227,8 @@ config BR2_DEFAULT_KERNEL_HEADERS
 	default "3.10.105"	if BR2_KERNEL_HEADERS_3_10
 	default "3.12.74"	if BR2_KERNEL_HEADERS_3_12
 	default "4.1.40"	if BR2_KERNEL_HEADERS_4_1
-	default "4.4.70"	if BR2_KERNEL_HEADERS_4_4
-	default "4.9.30"	if BR2_KERNEL_HEADERS_4_9
+	default "4.4.71"	if BR2_KERNEL_HEADERS_4_4
+	default "4.9.31"	if BR2_KERNEL_HEADERS_4_9
 	default "4.10.17"	if BR2_KERNEL_HEADERS_4_10
-	default "4.11.3"	if BR2_KERNEL_HEADERS_4_11
+	default "4.11.4"	if BR2_KERNEL_HEADERS_4_11
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION