[PLATFORMS][APF51] Corrects indentation
[PLATFORMS][APF51] Corrects indentation

magyarm/periphondemand-code,magyarm/periphondemand-code,trabucayre/periphondemand,magyarm/periphondemand-code,Martoni/periphondemand,trabucayre/periphondemand,magyarm/periphondemand-code,Martoni/periphondemand,trabucayre/periphondemand,Martoni/periphondemand