irqchip/mvebu: Convert to msi_create_parent_irq_domain() helper

Switch the MVEBU family of interrupt chip drivers over to the common helper
function to create the interrupt domains.

[ tglx: Moved the struct out of the function call argument and fix up
  	the of_node_to_fwnode() instances ]

Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250513172819.2216709-5-maz@kernel.org