[gnome-build-meta] sdk/gst-plugins-good: Add missing elements

[Abderrahim Kitouni <akitouni src gnome org>]

commit 93eb82fe661d7f73e60f0de648261c3985471a5a
Author: Jordan Petridis <jpetridis gnome org>
Date:   Thu Sep 6 18:25:15 2018 +0300

    sdk/gst-plugins-good: Add missing elements

 elements/sdk/gst-plugins-good.bst | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/elements/sdk/gst-plugins-good.bst b/elements/sdk/gst-plugins-good.bst
index b562bdb..fd23108 100644
--- a/elements/sdk/gst-plugins-good.bst
+++ b/elements/sdk/gst-plugins-good.bst
@@ -6,9 +6,17 @@ sources:
 depends:
 - sdk/gdk-pixbuf.bst
 - sdk/gst-plugins-base.bst
+- sdk/libsoup.bst
+- filename: desktop/lame.bst
+  junction: freedesktop-sdk.bst
 - filename: base.bst
   junction: freedesktop-sdk.bst
   type: build
 - filename: base-platform.bst
   junction: freedesktop-sdk.bst
   type: runtime
+variables:
+  meson-local: |
+    -Dsoup=enabled \
+    -Dlame=enabled \
+    -Dpulse=enabled