[PATCH] i3c: add missing include to internal header

[Wolfram Sang]

LKP found a random config which failed to build because IO accessors
were not defined:

   In file included from drivers/i3c/master.c:21:
   drivers/i3c/internals.h: In function 'i3c_writel_fifo':
>> drivers/i3c/internals.h:35:9: error: implicit declaration of function 'writesl' [-Werror=implicit-function-declaration]

Add the proper header to where the IO accessors are used.

Reported-by: kernel test robot <lkp at intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202507150208.BZDzzJ5E-lkp@intel.com/
Signed-off-by: Wolfram Sang <wsa+renesas at sang-engineering.com>
---
 drivers/i3c/internals.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/i3c/internals.h b/drivers/i3c/internals.h
index 67ed1c44f615..1bf6aecebcbb 100644
--- a/drivers/i3c/internals.h
+++ b/drivers/i3c/internals.h
@@ -9,6 +9,7 @@
 #define I3C_INTERNALS_H
 
 #include <linux/i3c/master.h>
+#include <linux/io.h>
 
 extern const struct device_type i3c_masterdev_type;
 
-- 
2.47.2