Adding example for kexec (#1558) #5600

Job	Run time
select-dc-files	44s
validate (./DC-opensuse-all)	57s
validate (./DC-SLED-all)	1m 4s
validate (./DC-SLE-Micro-all)	1m 4s
validate (./DC-SLES-all)	1m 7s
validate (./DC-SLE-Micro-upgrade)	1m 7s
build-html (DC-SLE-Micro-administration DC-SLE-Micro-autoyast DC-SLE-Micro-cockpit DC-SLE-Micro-d...	5m 54s
build-html (DC-SLE-Micro-security DC-SLED-administration DC-SLED-deployment DC-SLED-gnome-user DC...	10m 26s
build-html (DC-SLED-modules DC-SLED-security DC-SLED-tuning DC-SLED-upgrade DC-opensuse-autoyast)	8m 56s
build-html (DC-opensuse-gnome-user DC-opensuse-reference DC-opensuse-security DC-opensuse-startup...	13m 55s
build-html (DC-opensuse-virtualization DC-SLE-Micro-upgrade DC-SLES-administration DC-SLES-amd-se...	11m 47s
build-html (DC-SLES-deployment DC-SLES-gnome-user DC-SLES-installation DC-SLES-minimal-vm DC-SLES...	9m 40s
build-html (DC-SLES-raspberry-pi DC-SLES-rmt DC-SLES-security DC-SLES-storage)	10m 4s
build-html (DC-SLES-tuning DC-SLES-upgrade DC-SLES-virtualization DC-SLES-virtualization-best-pra...	10m 16s
publish	2m 12s
	1h 29m 13s

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