irqdomain: Fix formatting irq_find_matching_fwspec() kerneldoc comment

Modify the comment formatting in irq_find_matching_fwspec function to
enhance code readability and maintain consistency.

Signed-off-by: Anna-Maria Behnsen <[e-mail]>
Signed-off-by: Shivamurthy Shastri <[e-mail]>
Signed-off-by: Thomas Gleixner <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

kernel/irq/irqdomain.c

···
 	struct fwnode_handle *fwnode = fwspec->fwnode;
 	int rc;
 
-	/* We might want to match the legacy controller last since
+	/*
+	 * We might want to match the legacy controller last since
 	 * it might potentially be set to match all interrupts in
 	 * the absence of a device node. This isn't a problem so far
 	 * yet though...