MIPS: msp71xx: remove unused prom_getcmdline()

Signed-off-by: NYoichi Yuasa <yuasa@linux-mips.org>
Cc: linux-mips <linux-mips@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/868/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/pmc-sierra/msp71xx/msp_prom.h

@@ -118,7 +118,6 @@
 #define ZSP_DUET		'D'	/* one DUET zsp engine */
 #define ZSP_TRIAD		'T'	/* two TRIAD zsp engines */
 
-extern char *prom_getcmdline(void);
 extern char *prom_getenv(char *name);
 extern void prom_init_cmdline(void);
 extern void prom_meminit(void);

arch/mips/pmc-sierra/msp71xx/msp_prom.c

@@ -303,12 +303,6 @@ char *prom_getenv(char *env_name)
 }
 
 /* PROM commandline functions */
-char *prom_getcmdline(void)
-{
-	return &(arcs_cmdline[0]);
-}
-EXPORT_SYMBOL(prom_getcmdline);
-
 void  __init prom_init_cmdline(void)
 {
 	char *cp;