ci: add README for LAVA test plans #30

Job	Run time
Upload event file	2s
Upload event file	2s
schema-check / schema-check	13s
schema-check / schema-check	13s
build-pr / kas-lock	11s
build-pr / kas-lock	11s
build-pr / qcm6490-idp/poky/systemd	13m 27s
build-pr / qcm6490-idp/poky/systemd	11m 24s
build-pr / qcs6490-rb3gen2-core-kit/poky/systemd	13m 13s
build-pr / qcs6490-rb3gen2-core-kit/poky/systemd	13m 3s
build-pr / sa8775p-ride-sx/poky/systemd	13m 16s
build-pr / sa8775p-ride-sx/poky/systemd	11m 26s
build-pr / yocto-check-layer	12m 22s
build-pr / yocto-check-layer	12m 22s
build-pr / yocto-patchreview	8s
build-pr / yocto-patchreview	8s
build-pr / qcom-armv8a/poky/systemd	13m 33s
build-pr / qcom-armv8a/poky/systemd	31m 10s
build-pr / qcom-armv7a/poky/systemd	9m 24s
build-pr / qcom-armv7a/poky/systemd	9m 24s
build-pr / qcom-armv7a-modem/poky/systemd	9m 13s
build-pr / qcom-armv7a-modem/poky/systemd	9m 13s
build-pr / create-output	0s
build-pr / create-output	4s
	3h 3m 42s

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