irqchip/gic-v3: Fix irq_complete_ack() comment

When the GIC is in EOImode == 1 in irq_complete_ack() it executes a
priority drop not a deactivation.

Fix the function comment to clarify the behaviour.

Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241202112518.51178-1-lpieralisi@kernel.org

drivers/irqchip/irq-gic-v3.c

@@ -817,7 +817,7 @@ static void gic_deactivate_unhandled(u32 irqnr)
  *     register state is not stale, as these may have been indirectly written
  *     *after* exception entry.
  *
- * (2) Deactivate the interrupt when EOI mode 1 is in use.
+ * (2) Execute an interrupt priority drop when EOI mode 1 is in use.
  */
 static inline void gic_complete_ack(u32 irqnr)
 {