drivers/bios_emulator/x86emu/ops2.c: Fix GCC 4.6 build warning

Fix:

x86emu/ops2.c: In function 'x86emuOp2_set_byte':
x86emu/ops2.c:171:11: warning: variable 'name' set but not used [-Wunused-but-set-variable]

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/drivers/bios_emulator/x86emu/ops2.c b/drivers/bios_emulator/x86emu/ops2.c
index 937bf4c..59dbb42 100644
--- a/drivers/bios_emulator/x86emu/ops2.c
+++ b/drivers/bios_emulator/x86emu/ops2.c
@@ -42,6 +42,7 @@
 ****************************************************************************/
 
 #include <common.h>
+#include <linux/compiler.h>
 #include "x86emu/x86emui.h"
 
 /*----------------------------- Implementation ----------------------------*/
@@ -168,7 +169,7 @@
     int mod, rl, rh;
     uint destoffset;
     u8	*destreg;
-    char *name = 0;
+    __maybe_unused char *name = 0;
     int cond = 0;
 
     START_OF_INSTR();