MIPS: Remove useless zero initializations.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mipssim/sim_setup.c b/arch/mips/mipssim/sim_setup.c
index 7c7148e..2877675 100644
--- a/arch/mips/mipssim/sim_setup.c
+++ b/arch/mips/mipssim/sim_setup.c
@@ -37,7 +37,7 @@
 
 
 static void __init serial_init(void);
-unsigned int _isbonito = 0;
+unsigned int _isbonito;
 
 const char *get_system_type(void)
 {