CarbonixCommon: enable safety on Ottano #1005

Job	Run time
build (base)	2m 8s
build (base)	2m 8s
build (clang)	2m 17s
build (clang)	2m 17s
autotest (sitltest-plane)	24m 37s
autotest (sitltest-plane)	24m 37s
autotest (sitltest-quadplane)	12m 33s
autotest (sitltest-quadplane)	12m 46s
autotest (sitltest-carbonix-ottano)	3m 37s
autotest (sitltest-carbonix-ottano)	3m 37s
autotest (sitltest-carbonix-volanti)	3m 20s
autotest (sitltest-carbonix-volanti)	3m 20s
	1h 37m 17s

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