m68knommu: mark setup_arch() as __init

Mark the m68knommu setup_arch() function as __init.
Signed-off-by: NGreg Ungerer <gerg@uclinux.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/m68knommu/kernel/setup.c

@@ -113,7 +113,7 @@ void (*mach_power_off)(void);
 extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end;
 extern int _ramstart, _ramend;
 
-void setup_arch(char **cmdline_p)
+void __init setup_arch(char **cmdline_p)
 {
 	int bootmap_size;