MIPS: PNX833x: Remove unused prom_getcmdline()

Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Cc: linux-mips <linux-mips@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/885/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/nxp/pnx833x/common/prom.c b/arch/mips/nxp/pnx833x/common/prom.c
index 0688881..29969f9 100644
--- a/arch/mips/nxp/pnx833x/common/prom.c
+++ b/arch/mips/nxp/pnx833x/common/prom.c
@@ -62,8 +62,3 @@
 void __init prom_free_prom_memory(void)
 {
 }
-
-char * __init prom_getcmdline(void)
-{
-	return arcs_cmdline;
-}