ccimx6ul*: Drop unbuildable boards

The recipe seems abandoned as their U-Boot is not update for ages, so we
are dropping it for now. If desired, it can be reverted once updated.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

conf/machine/ccimx6ulsbcexpress.conf

@@ -1,11 +0,0 @@
-#@TYPE: Machine
-#@NAME: ConnecCore 6UL SBC Express
-#@SOC: i.MX6UL
-#@DESCRIPTION: Machine configuration for ConnectCore 6UL SBC Express board.
-#@MAINTAINER: Alex Gonzalez <alex.gonzalez@digi.com>
-
-include conf/machine/include/ccimx6ulsom.inc
-
-SERIAL_CONSOLES = "115200;ttymxc4"
-
-KERNEL_DEVICETREE = "imx6ul-ccimx6ulsbcexpress.dtb"

conf/machine/ccimx6ulsbcpro.conf

@@ -1,11 +0,0 @@
-#@TYPE: Machine
-#@NAME: ConnecCore 6UL SBC Pro
-#@SOC: i.MX6UL
-#@DESCRIPTION: Machine configuration for ConnectCore 6UL SBC Pro board.
-#@MAINTAINER: Alex Gonzalez <alex.gonzalez@digi.com>
-
-include conf/machine/include/ccimx6ulsom.inc
-
-KERNEL_DEVICETREE = "imx6ul-ccimx6ulsbcpro.dtb"
-
-SERIAL_CONSOLES = "115200;ttymxc4"

recipes-bsp/u-boot/u-boot-digi/ccimx6ul/bootscript.txt

@@ -1,7 +0,0 @@
-#
-# U-Boot bootscript for NAND images created by Yocto.
-#
-
-setenv fdt_file imx6ul-${platform}.dtb
-setenv zimage zImage-${platform}.bin
-dboot linux nand ${mtdbootpart}

recipes-bsp/u-boot/u-boot-digi_2017.03.bb

@@ -1,41 +0,0 @@
-# Copyright (C) 2018 Digi International
-# Released under the MIT license (see COPYING.MIT for the terms)
-
-DESCRIPTION = "Bootloader for Digi platforms"
-SECTION = "bootloaders"
-LICENSE = "GPLv2+"
-LIC_FILES_CHKSUM = "file://Licenses/README;md5=a2c678cfd4a4d97135585cad908541c6"
-
-require recipes-bsp/u-boot/u-boot.inc
-
-DEPENDS = "u-boot-mkimage-native"
-
-PROVIDES += "u-boot"
-
-SRCBRANCH = "v2017.03/maint"
-SRCREV = "8d60f536d2063ac6a0676bdf34c4c8c8807371c5"
-
-SRC_URI = "\
-    git://github.com/digi-embedded/u-boot.git;protocol=git;nobranch=1 \
-    file://bootscript.txt \
-"
-
-LOCALVERSION ?= "-${SRCBRANCH}"
-
-S = "${WORKDIR}/git"
-
-inherit dtc-145 fsl-u-boot-localversion
-
-UBOOT_ENV = "boot"
-UBOOT_ENV_SUFFIX = "scr"
-
-do_compile_append () {
-    sed -i -e 's/\${platform}/${MACHINE}/g' ${WORKDIR}/bootscript.txt
-    uboot-mkimage -A arm -O linux -T script -C none -a 0 -e 0 \
-        -n "boot script" -d ${WORKDIR}/bootscript.txt \
-        ${WORKDIR}/${UBOOT_ENV_BINARY}
-}
-
-PACKAGE_ARCH = "${MACHINE_ARCH}"
-
-COMPATIBLE_MACHINE = "(ccimx6ul)"