qemu_arm_vexpress: Linux kernel update to 4.16.7

Update qemu_arm_vexpress target to Linux kernel 4.16.7.

Signed-off-by: Florian La Roche <Florian.LaRoche@googlemail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/qemu_arm_vexpress_defconfig

@@ -13,13 +13,13 @@ BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
 BR2_TARGET_ROOTFS_EXT2=y
 # BR2_TARGET_ROOTFS_TAR is not set
 
-# Linux headers same as kernel, a 4.11 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_11=y
+# Linux headers same as kernel, a 4.16 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_16=y
 
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.11.3"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.16.7"
 BR2_LINUX_KERNEL_DEFCONFIG="vexpress"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="vexpress-v2p-ca9"