script: Make get_default_envs.sh script exclude tools/env

If building envtools, there is env directory in tools directory.
Mafe the get_default_envs.sh script exclude tools/env directory.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
diff --git a/scripts/get_default_envs.sh b/scripts/get_default_envs.sh
index 2872653..da86a9d 100755
--- a/scripts/get_default_envs.sh
+++ b/scripts/get_default_envs.sh
@@ -23,7 +23,7 @@
 fi
 
 env_obj_file_path=$(find ${path} -path "*/env/*" -not -path "*/spl/*" \
-			 -name "${ENV_OBJ_FILE}")
+			 -not -path "*/tools/*" -name "${ENV_OBJ_FILE}")
 [ -z "${env_obj_file_path}" ] && \
     { echoerr "File '${ENV_OBJ_FILE}' not found!"; exit 1; }