genirq: Introduce common irq_force_complete_move() implementation

CONFIG_GENERIC_PENDING_IRQ requires an architecture specific implementation
of irq_force_complete_move() for CPU hotplug. At the moment, only x86
implements this unconditionally, but for RISC-V irq_force_complete_move()
is only needed when the RISC-V IMSIC driver is in use and not needed
otherwise.

To allow runtime configuration of this mechanism, introduce a common
irq_force_complete_move() implementation in the interrupt core code, which
only invokes the completion function, when a interrupt chip in the
hierarchy implements it.

Switch X86 over to the new mechanism. No functional change intended.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250217085657.789309-5-apatel@ventanamicro.com

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