[Feature]Gstreamer add alaw to PCMA(G.711)

Change-Id: I4c057e7889a7685f77c6ecbc8a856b148091bb68
diff --git a/meta/meta-mediatek-ivt/recipes-multimedia/packagegroups/packagegroup-mtk-gstreamer1.0.bb b/meta/meta-mediatek-ivt/recipes-multimedia/packagegroups/packagegroup-mtk-gstreamer1.0.bb
index d7ce397..99ce8f8 100755
--- a/meta/meta-mediatek-ivt/recipes-multimedia/packagegroups/packagegroup-mtk-gstreamer1.0.bb
+++ b/meta/meta-mediatek-ivt/recipes-multimedia/packagegroups/packagegroup-mtk-gstreamer1.0.bb
@@ -29,5 +29,6 @@
 	gstreamer1.0-plugins-base-audiotestsrc \
 	gstreamer1.0-plugins-good-wavparse \
 	gstreamer1.0-plugins-base-alsa \
+	gstreamer1.0-plugins-good-alaw \
 "