Add missing package build macros

Change-Id: I3a14fd107e761ae7d7072b3a599c90f59a0ffa89
diff --git a/packages.mk b/packages.mk
index 1e1e7e5..c93a556 100644
--- a/packages.mk
+++ b/packages.mk
@@ -27,3 +27,6 @@
 $(eval $(call make-pbuilder-bsp-package-target,wayland-protocols-mtk,graphics/wayland/wayland-protocols))
 $(eval $(call make-pbuilder-bsp-package-target,weston-mtk,graphics/wayland/weston, wayland-protocols-mtk mesa-mtk))
 $(eval $(call make-pbuilder-bsp-package-target,mesa-mtk,graphics/mesa))
+$(eval $(call make-pbuilder-bsp-package-target,excelsior-mtkcam-prebuilts,packages/excelsior-mtkcam-prebuilts))
+$(eval $(call make-pbuilder-bsp-package-target,excelsior-mtkcam,packages/excelsior-mtkcam,excelsior-mtkcam-prebuilts android-core excelsior-nvram))
+$(eval $(call make-pbuilder-bsp-package-target,glmark2,graphics/glmark2,weston-mtk))