firmware: arm_scmi: Remove duplicate include header inclusion

linux/of.h is included more than once, just remove the duplicate include
header inclusion.

Signed-off-by: Ye Xingchen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Sudeep Holla <[email protected]>

Author: Ye Xingchen

drivers/firmware/arm_scmi/bus.c

@@ -14,7 +14,6 @@
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/device.h>
-#include <linux/of.h>
 
 #include "common.h"