env: Move env_set() to env.h
Move env_set() over to the new header file.
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/env.h b/include/env.h
index dd063fe..6770a61 100644
--- a/include/env.h
+++ b/include/env.h
@@ -72,6 +72,18 @@
int env_get_yesno(const char *var);
/**
+ * env_set() - set an environment variable
+ *
+ * This sets or deletes the value of an environment variable. For setting the
+ * value the variable is created if it does not already exist.
+ *
+ * @varname: Variable to adjust
+ * @value: Value to set for the variable, or NULL or "" to delete the variable
+ * @return 0 if OK, 1 on error
+ */
+int env_set(const char *varname, const char *value);
+
+/**
* env_get_ulong() - Return an environment variable as an integer value
*
* Most U-Boot environment variables store hex values. For those which store