remove usb for openmesh devices #7

Job	Run time
generate_target_matrix	3s
build_firmware (ath79-generic)	1h 21m 4s
build_firmware (ath79-nand)	1h 15m 16s
build_firmware (ath79-mikrotik)	1h 16m 40s
build_firmware (bcm27xx-bcm2708)	1h 10m 40s
build_firmware (bcm27xx-bcm2709)	1h 16m 42s
build_firmware (ipq40xx-generic)	1h 18m 54s
build_firmware (ipq40xx-mikrotik)	1h 18m 10s
build_firmware (ipq806x-generic)	1h 15m 31s
build_firmware (lantiq-xrx200)	1h 21m 1s
build_firmware (lantiq-xway)	1h 17m 24s
build_firmware (mediatek-mt7622)	1h 23m 14s
build_firmware (mediatek-filogic)	1h 31m 8s
build_firmware (mpc85xx-p1010)	1h 14m 54s
build_firmware (mpc85xx-p1020)	1h 17m 15s
build_firmware (ramips-mt7620)	1h 14m 38s
build_firmware (ramips-mt7621)	1h 19m 16s
build_firmware (ramips-mt76x8)	1h 17m 50s
build_firmware (rockchip-armv8)	1h 25m 52s
build_firmware (x86-64)	1h 34m 46s
build_firmware (bcm27xx-bcm2710)	1h 22m 43s
build_firmware (bcm27xx-bcm2711)	1h 23m 45s
build_firmware (ipq40xx-chromium)	1h 18m 44s
build_firmware (ipq807x-generic)	1h 23m 29s
build_firmware (mvebu-cortexa9)	1h 17m 17s
create_release	0s
	1d 7h 56m 16s

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