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

[Peter: drop 4.14.x bump]
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
(cherry picked from commit 1897a56a2baae64f40dc9b155443d13818ef726b)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/linux-headers/Config.in.host

@@ -244,8 +244,8 @@ config BR2_DEFAULT_KERNEL_HEADERS
 	default "3.10.108"	if BR2_KERNEL_HEADERS_3_10
 	default "3.12.74"	if BR2_KERNEL_HEADERS_3_12
 	default "4.1.48"	if BR2_KERNEL_HEADERS_4_1
-	default "4.4.108"	if BR2_KERNEL_HEADERS_4_4
-	default "4.9.73"	if BR2_KERNEL_HEADERS_4_9
+	default "4.4.109"	if BR2_KERNEL_HEADERS_4_4
+	default "4.9.74"	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