sheevaplug_defconfig: bump linux to 4.14.63 to include latest fixes

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

configs/sheevaplug_defconfig

@@ -26,7 +26,7 @@ BR2_TARGET_UBOOT_FORMAT_KWB=y
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.14.13"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.14.63"
 BR2_LINUX_KERNEL_DEFCONFIG="mvebu_v5"
 BR2_LINUX_KERNEL_APPENDED_UIMAGE=y
 BR2_LINUX_KERNEL_UIMAGE_LOADADDR="0x8000"