cris/kgdb: Remove unused static int do_printk

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
diff --git a/arch/cris/arch-v10/kernel/kgdb.c b/arch/cris/arch-v10/kernel/kgdb.c
index 0a42033..6b64567 100644
--- a/arch/cris/arch-v10/kernel/kgdb.c
+++ b/arch/cris/arch-v10/kernel/kgdb.c
@@ -676,8 +676,6 @@
    Put the result in buf, and return a pointer to the last character
    in buf (null). */
 
-static int do_printk = 0;
-
 static char *
 mem2hex(char *buf, unsigned char *mem, int count)
 {