MIPS: PowerTV: Remove unused prom_getcmdline()

Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/797/
Reviewed-by: David VomLehn <dvomlehn@cisco.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/powertv/cmdline.c

@@ -31,11 +31,6 @@
  */
 #define prom_argv(index) ((char *)(long)_prom_argv[(index)])
 
-char * __init prom_getcmdline(void)
-{
-	return &(arcs_cmdline[0]);
-}
-
 void  __init prom_init_cmdline(void)
 {
 	int len;