MIPS: AR7: Remove kgdb_enabled

An unused leftover from the old KGDB implementation.
Signed-off-by: NYoichi Yuasa <yuasa@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/794/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/ar7/prom.c

@@ -219,14 +219,6 @@ static void __init console_config(void)
 	if (strstr(prom_getcmdline(), "console="))
 		return;
 
-#ifdef CONFIG_KGDB
-	if (!strstr(prom_getcmdline(), "nokgdb")) {
-		strcat(prom_getcmdline(), " console=kgdb");
-		kgdb_enabled = 1;
-		return;
-	}
-#endif
-
 	s = prom_getenv("modetty0");
 	if (s) {
 		baud = simple_strtoul(s, &p, 10);