entry: Fix stale comment for irqentry_enter()

The kerneldoc comment for irqentry_enter() refers to idtentry_exit(),
which is an accidental holdover from the x86 entry code that the generic
irqentry code was based on.

Correct this to refer to irqentry_exit().

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Jinjie Ruan <ruanjinjie@huawei.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260407131650.3813777-2-mark.rutland@arm.com

Author: mrutland-arm

include/linux/irq-entry-common.h

@@ -394,7 +394,7 @@ typedef struct irqentry_state {
  * establish the proper context for NOHZ_FULL. Otherwise scheduling on exit
  * would not be possible.
  *
- * Returns: An opaque object that must be passed to idtentry_exit()
+ * Returns: An opaque object that must be passed to irqentry_exit()
  */
 irqentry_state_t noinstr irqentry_enter(struct pt_regs *regs);