[MIPS] Sort out missuse of __init for prom_getcmdline()

Signed-off-by: Ralf Baechle <[e-mail]>

arch/mips/au1000/common/prom.c

···
 extern char **prom_argv, **prom_envp;
 
 
-char * prom_getcmdline(void)
+char * __init_or_module prom_getcmdline(void)
 {
 	return &(arcs_cmdline[0]);
 }

arch/mips/au1000/common/setup.c

···
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/time.h>
 
-extern char * __init prom_getcmdline(void);
+extern char * prom_getcmdline(void);
 extern void __init board_setup(void);
 extern void au1000_restart(char *);
 extern void au1000_halt(void);

drivers/net/au1000_eth.c

···
 // externs
 extern int get_ethernet_addr(char *ethernet_addr);
 extern void str2eaddr(unsigned char *ea, unsigned char *str);
-extern char * __init prom_getcmdline(void);
+extern char * prom_getcmdline(void);
 
 /*
  * Theory of operation