[library][components][irq_mngr] use constant ZERO
[library][components][irq_mngr] use constant ZERO

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