Update build_arm.yml #126

Job	Run time
unit-test	37s
build-board (device/audio_test device/board_test device/cdc_dual_ports device/cdc_msc)	24s
build-board (device/cdc_msc_freertos device/dfu_runtime device/hid_composite device/hid_composite...	18s
build-board (device/hid_generic_inout device/hid_multiple_interface device/midi_test device/msc_d...	23s
build-board (device/net_lwip_webserver)	17s
build-board (device/uac2_headset device/usbtmc device/webusb_serial host/cdc_msc_hid)	23s
build-arm (broadcom_32bit)	34s
build-arm (imxrt)	3m 45s
build-arm (lpc15)	48s
build-arm (lpc18)	1m 11s
build-arm (lpc54)	1m 35s
build-arm (lpc55)	2m 18s
build-arm (mm32)	58s
build-arm (msp432e4)	1m 8s
build-arm (nrf)	4m 39s
build-arm (samd11)	1m 47s
build-arm (samd21)	9m 25s
build-arm (samd51)	10m 12s
build-arm (saml2x)	7m 8s
build-arm (stm32f0)	1m 44s
build-arm (stm32f1)	1m 21s
build-arm (stm32f4)	4m 23s
build-arm (stm32f7)	3m 19s
build-arm (stm32h7)	2m 43s
build-arm (stm32l4)	2m 11s
build-arm (tm4c123)	42s
build-arm (xmc4000)	46s
	1h 4m 59s

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