CI: add system info #757

Job	Run time
generate_target_matrix	3s
build_firmware (ath79-generic)	1h 16m 38s
build_firmware (ath79-mikrotik)	1h 11m 12s
build_firmware (ath79-nand)	1h 11m 58s
build_firmware (bcm27xx-bcm2708)	1h 6m 42s
build_firmware (bcm27xx-bcm2709)	1h 12m 22s
build_firmware (bcm27xx-bcm2710)	1h 18m 40s
build_firmware (bcm27xx-bcm2711)	1h 17m 14s
build_firmware (ipq40xx-generic)	1h 13m 10s
build_firmware (ipq40xx-mikrotik)	1h 11m 8s
build_firmware (ipq806x-generic)	1h 11m 48s
build_firmware (lantiq-xrx200)	1h 14m 32s
build_firmware (lantiq-xway)	1h 10m 45s
build_firmware (mediatek-mt7622)	1h 20m 37s
build_firmware (mpc85xx-p1010)	1h 11m 51s
build_firmware (mpc85xx-p1020)	1h 11m 38s
build_firmware (mvebu-cortexa9)	1h 11m 52s
build_firmware (ramips-mt7620)	1h 13m 0s
build_firmware (ramips-mt7621)	1h 16m 25s
build_firmware (ramips-mt76x8)	1h 14m 52s
build_firmware (realtek-rtl838x)	1h 0m 45s
build_firmware (rockchip-armv8)	1h 23m 2s
build_firmware (sunxi-cortexa7)	1h 7m 20s
build_firmware (x86-64)	1h 25m 49s
build_firmware (x86-generic)	1h 22m 12s
build_firmware (x86-geode)	1h 17m 18s
build_firmware (x86-legacy)	1h 17m 14s
create_release	0s
	1d 8h 10m 7s

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