TQM850M: Add missing CONFIG_BOOTDELAY

This also fixes a build warning:
main.c: In function 'main_loop':
main.c:311:16: warning: variable 'bootlimit' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/include/configs/TQM850M.h b/include/configs/TQM850M.h
index 3b52025..911560c 100644
--- a/include/configs/TQM850M.h
+++ b/include/configs/TQM850M.h
@@ -45,6 +45,8 @@
 
 #define	CONFIG_BOOTCOUNT_LIMIT
 
+#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
+
 #define CONFIG_BOARD_TYPES	1	/* support board types		*/
 
 #define CONFIG_PREBOOT	"echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"