cxl/ocxl: Prepare cleanup of powerpc's asm/prom.h

powerpc's asm/prom.h brings some headers that it doesn't
need itself.

In order to clean it up, first add missing headers in
users of asm/prom.h

Signed-off-by: Christophe Leroy <[e-mail]>
Acked-by: Frederic Barrat <[e-mail]>
Acked-by: Andrew Donnellan <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>
Link: https://lore.kernel.org/r/a2bae89b[e-mail]

drivers/misc/cxl/api.c

···
 #include <linux/pseudo_fs.h>
 #include <linux/sched/mm.h>
 #include <linux/mmu_context.h>
+#include <linux/irqdomain.h>
 
 #include "cxl.h"
 

drivers/misc/cxl/cxl.h

···
 
 extern uint cxl_verbose;
 
+struct property;
+
 #define CXL_TIMEOUT 5
 
 /*

drivers/misc/cxl/cxllib.c

···
 
 #include <linux/hugetlb.h>
 #include <linux/sched/mm.h>
+#include <asm/opal-api.h>
 #include <asm/pnv-pci.h>
 #include <misc/cxllib.h>
 

drivers/misc/cxl/flash.c

···
 #include <linux/semaphore.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
+#include <linux/of.h>
 #include <asm/rtas.h>
 
 #include "cxl.h"

drivers/misc/cxl/guest.c

···
 #include <linux/spinlock.h>
 #include <linux/uaccess.h>
 #include <linux/delay.h>
+#include <linux/irqdomain.h>
+#include <linux/platform_device.h>
 
 #include "cxl.h"
 #include "hcalls.h"

drivers/misc/cxl/irq.c

···
  */
 
 #include <linux/interrupt.h>
+#include <linux/irqdomain.h>
 #include <linux/workqueue.h>
 #include <linux/sched.h>
 #include <linux/wait.h>

drivers/misc/cxl/main.c

···
 #include <linux/slab.h>
 #include <linux/idr.h>
 #include <linux/pci.h>
+#include <linux/platform_device.h>
 #include <linux/sched/task.h>
 
 #include <asm/cputable.h>

drivers/misc/cxl/native.c

···
 #include <linux/mm.h>
 #include <linux/uaccess.h>
 #include <linux/delay.h>
+#include <linux/irqdomain.h>
 #include <asm/synch.h>
 #include <asm/switch_to.h>
 #include <misc/cxl-base.h>

drivers/misc/ocxl/afu_irq.c

···
 // SPDX-License-Identifier: GPL-2.0+
 // Copyright 2017 IBM Corp.
 #include <linux/interrupt.h>
+#include <linux/irqdomain.h>
 #include <asm/pnv-ocxl.h>
 #include <asm/xive.h>
 #include "ocxl_internal.h"

drivers/misc/ocxl/link.c

···
 #include <linux/mm_types.h>
 #include <linux/mmu_context.h>
 #include <linux/mmu_notifier.h>
+#include <linux/irqdomain.h>
 #include <asm/copro.h>
 #include <asm/pnv-ocxl.h>
 #include <asm/xive.h>