[U-Boot] [PATCH 2/3] config_cmd_default.h: Add 'env exists' command

[Sjoerd Simons]

env exists allows scripts to query whether an environment variable
exists. Enable by default as it adds only a trivial amount of code and
can be useful in scripts.

Signed-off-by: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
---
 include/config_cmd_default.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/config_cmd_default.h b/include/config_cmd_default.h
index 73c9544..e79a13b 100644
--- a/include/config_cmd_default.h
+++ b/include/config_cmd_default.h
@@ -21,6 +21,7 @@
 #define CONFIG_CMD_CONSOLE	/* coninfo			*/
 #define CONFIG_CMD_ECHO		/* echo arguments		*/
 #define CONFIG_CMD_EDITENV	/* editenv			*/
+#define CONFIG_CMD_ENV_EXISTS	/* query whether env variables exists */
 #define CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
 #define CONFIG_CMD_IMI		/* iminfo			*/
 #define CONFIG_CMD_ITEST	/* Integer (and string) test	*/
-- 
2.1.4