parisc: Move setup_profiling_timer() out of init section

No other architecture has setup_profiling_timer() in the init section,
thus on parisc we face this section mismatch warning:
 Reference from the function devm_device_add_group() to the function .init.text:setup_profiling_timer()
Signed-off-by: Helge Deller <deller@gmx.de>

arch/parisc/kernel/smp.c

@@ -423,8 +423,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
 }
 
 #ifdef CONFIG_PROC_FS
-int __init
-setup_profiling_timer(unsigned int multiplier)
+int setup_profiling_timer(unsigned int multiplier)
 {
 	return -EINVAL;
 }