linux-headers: bump 4.{4, 8, 9}.x series

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/linux-headers/Config.in.host

@@ -222,7 +222,7 @@ config BR2_DEFAULT_KERNEL_HEADERS
 	default "3.19.8"	if BR2_KERNEL_HEADERS_3_19
 	default "4.0.9"		if BR2_KERNEL_HEADERS_4_0
 	default "4.1.37"	if BR2_KERNEL_HEADERS_4_1
-	default "4.4.39"	if BR2_KERNEL_HEADERS_4_4
-	default "4.8.15"	if BR2_KERNEL_HEADERS_4_8
-	default "4.9"		if BR2_KERNEL_HEADERS_4_9
+	default "4.4.40"	if BR2_KERNEL_HEADERS_4_4
+	default "4.8.16"	if BR2_KERNEL_HEADERS_4_8
+	default "4.9.1"		if BR2_KERNEL_HEADERS_4_9
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION