linux-headers: bump 4.{4, 9}.x and 3.18 series

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/linux-headers/Config.in.host

@@ -218,11 +218,11 @@ config BR2_DEFAULT_KERNEL_HEADERS
 	default "3.4.113"	if BR2_KERNEL_HEADERS_3_4
 	default "3.10.104"	if BR2_KERNEL_HEADERS_3_10
 	default "3.12.70"	if BR2_KERNEL_HEADERS_3_12
-	default "3.18.47"	if BR2_KERNEL_HEADERS_3_18
+	default "3.18.48"	if BR2_KERNEL_HEADERS_3_18
 	default "3.19.8"	if BR2_KERNEL_HEADERS_3_19
 	default "4.0.9"		if BR2_KERNEL_HEADERS_4_0
 	default "4.1.38"	if BR2_KERNEL_HEADERS_4_1
-	default "4.4.47"	if BR2_KERNEL_HEADERS_4_4
+	default "4.4.48"	if BR2_KERNEL_HEADERS_4_4
 	default "4.8.17"	if BR2_KERNEL_HEADERS_4_8
-	default "4.9.8"		if BR2_KERNEL_HEADERS_4_9
+	default "4.9.9"		if BR2_KERNEL_HEADERS_4_9
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION