arc: do not export symbols in troubleshoot.c

print_task_path_n_nm() is local to this file, its only user being
show_regs(). Mark the function static and avoid the EXPORT_SYMBOL.

Signed-off-by: Davidlohr Bueso <[e-mail]>
Acked-by: Vineet Gupta <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/arc/kernel/troubleshoot.c

···
 	print_reg_file(&(cregs->r13), 13);
 }
 
-void print_task_path_n_nm(struct task_struct *tsk, char *buf)
+static void print_task_path_n_nm(struct task_struct *tsk, char *buf)
 {
 	struct path path;
 	char *path_nm = NULL;
···
 done:
 	pr_info("Path: %s\n", path_nm);
 }
-EXPORT_SYMBOL(print_task_path_n_nm);
 
 static void show_faulting_vma(unsigned long address, char *buf)
 {