configs/orangepi-lite: bump Linux to 4.14.4

[Peter: add explicit kernel headers selection]
Signed-off-by: Jan Kraval <jan.kraval@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

configs/orangepi_lite_defconfig

@@ -1,14 +1,14 @@
 BR2_arm=y
 BR2_cortex_a7=y
 BR2_ARM_FPU_VFPV4=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_13=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_14=y
 BR2_TARGET_GENERIC_HOSTNAME="OrangePi_Lite"
 BR2_TARGET_GENERIC_ISSUE="Welcome to Buildroot for the Orange Pi Lite"
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/orangepi/orangepi-lite/post-build.sh"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="board/orangepi/orangepi-lite/post-image.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.13.11"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.14.4"
 BR2_LINUX_KERNEL_DEFCONFIG="sunxi"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/orangepi/orangepi-lite/linux-extras.config"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y