of/flattree: remove __init annotations from the header file

__init annotation belongs in the .c file, not the header.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Tested-by: Michal Simek <monstr@monstr.eu>

include/linux/of_fdt.h

@@ -62,15 +62,13 @@ extern struct boot_param_header *initial_boot_params;
 
 /* For scanning the flat device-tree at boot time */
 extern char *find_flat_dt_string(u32 offset);
-extern int __init of_scan_flat_dt(int (*it)(unsigned long node,
-					    const char *uname, int depth,
-					    void *data),
+extern int of_scan_flat_dt(int (*it)(unsigned long node, const char *uname,
+				     int depth, void *data),
 			   void *data);
-extern void __init *of_get_flat_dt_prop(unsigned long node, const char *name,
+extern void *of_get_flat_dt_prop(unsigned long node, const char *name,
 				 unsigned long *size);
-extern int __init of_flat_dt_is_compatible(unsigned long node,
-					   const char *name);
-extern unsigned long __init of_get_flat_dt_root(void);
+extern int of_flat_dt_is_compatible(unsigned long node, const char *name);
+extern unsigned long of_get_flat_dt_root(void);
 
 /* Other Prototypes */
 extern void finish_device_tree(void);