nios2: Soup up the shell experience

Enable command auto completion and enable $version variable. This makes
working with U-Boot far more enjoyable.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
diff --git a/include/configs/10m50_devboard.h b/include/configs/10m50_devboard.h
index 608127f..8dfe2a8 100644
--- a/include/configs/10m50_devboard.h
+++ b/include/configs/10m50_devboard.h
@@ -99,6 +99,8 @@
 					 CONFIG_ENV_SIZE - \
 					 CONFIG_SYS_MALLOC_LEN -	\
 					 0x10000)
+#define CONFIG_VERSION_VARIABLE
+#define CONFIG_AUTO_COMPLETE
 #define CONFIG_CMDLINE_EDITING
 
 #endif /* __CONFIG_H */