MIPS: IP22: Remove an unused function

Nobody is using the ARCS-specific prom_getcmdline(), so let's remove it.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/fw/arc/cmdline.c

@@ -16,11 +16,6 @@
 
 #undef DEBUG_CMDLINE
 
-char * __init prom_getcmdline(void)
-{
-	return arcs_cmdline;
-}
-
 static char *ignored[] = {
 	"ConsoleIn=",
 	"ConsoleOut=",

arch/mips/include/asm/sgialib.h

@@ -85,8 +85,7 @@ extern void prom_identify_arch(void);
 extern PCHAR ArcGetEnvironmentVariable(PCHAR name);
 extern LONG ArcSetEnvironmentVariable(PCHAR name, PCHAR value);
 
-/* ARCS command line acquisition and parsing. */
-extern char *prom_getcmdline(void);
+/* ARCS command line parsing. */
 extern void prom_init_cmdline(void);
 
 /* Acquiring info about the current time, etc. */