linux-headers: bump 4.{4, 9, 12}.x series

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/linux-headers/Config.in.host

@@ -236,9 +236,9 @@ config BR2_DEFAULT_KERNEL_HEADERS
 	default "3.10.107"	if BR2_KERNEL_HEADERS_3_10
 	default "3.12.74"	if BR2_KERNEL_HEADERS_3_12
 	default "4.1.43"	if BR2_KERNEL_HEADERS_4_1
-	default "4.4.86"	if BR2_KERNEL_HEADERS_4_4
-	default "4.9.47"	if BR2_KERNEL_HEADERS_4_9
+	default "4.4.87"	if BR2_KERNEL_HEADERS_4_4
+	default "4.9.48"	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 "4.12.10"	if BR2_KERNEL_HEADERS_4_12
+	default "4.12.11"	if BR2_KERNEL_HEADERS_4_12
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION