configs/imx6sx-sdb: Bump U-Boot and kernel versions

Bump U-Boot to 2018.01 and kernel to 4.14.4 version.

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

configs/imx6sx-sdb_defconfig

@@ -11,11 +11,11 @@ BR2_TARGET_ROOTFS_EXT2_4=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BOARDNAME="mx6sxsabresd"
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2017.11"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2018.01"
 BR2_TARGET_UBOOT_FORMAT_IMX=y
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.14"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.14.14"
 BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6sx-sdb imx6sx-sdb-reva"