display_setting: fix display_setting compile [1/1]

PD#SWPL-150770

Problem:
delete libdrm-helper-client compile

Solution:
disable ENABLE_WESTON_EXTENTION

Verify:
bg201

Change-Id: I4498048dc212b76afbd8d46703f5221d1ce9c59c
Signed-off-by: leng.fang <leng.fang@amlogic.com>
diff --git a/display_framework/Makefile.am b/display_framework/Makefile.am
index 17968dc..5238eb4 100644
--- a/display_framework/Makefile.am
+++ b/display_framework/Makefile.am
@@ -2,10 +2,10 @@
 SUBDIRS =
 if ENABLE_DRM_FUNCTION
 SUBDIRS += src/extension/drm
+SUBDIRS += src/extension/display_settings
 if ENABLE_WESTON_EXTENTION
 SUBDIRS += src/ipc \
            src/extension/weston-6.0 \
-           src/extension/display_settings \
            src/extension/FBsurface
 endif
 if WESTON_SAMPLES