Bi-directional dshot on iomcu F103 #31722

Job	Run time
build (base)	9m 36s
build-gcc-heli	10m 0s
build (clang)	15m 28s
autotest-heli (sitltest-heli)	17m 56s
autotest (sitltest-copter-tests1a)	15m 52s
autotest (sitltest-copter-tests1b)	17m 41s
autotest (sitltest-copter-tests1c)	16m 4s
autotest (sitltest-copter-tests1d)	15m 14s
autotest (sitltest-copter-tests1e)	23m 0s
autotest (sitltest-copter-tests2a)	17m 21s
autotest (sitltest-copter-tests2b)	35m 52s
	3h 14m 4s

Provide feedback