common: Add the CMD_ENV_EXISTS config to Kconfig
[platform/kernel/u-boot.git] / common / Kconfig
index 0ccdf62..cb14592 100644 (file)
@@ -191,6 +191,12 @@ config CMD_SAVEENV
          Save all environment variables into the compiled-in persistent
          storage.
 
+config CMD_ENV_EXISTS
+       bool "env exists"
+       help
+         Check if a variable is defined in the environment for use in
+         shell scripting.
+
 endmenu
 
 menu "Memory commands"