abox_edge: Updated u-boot, audio and wifi binaries

Updates:
- uboot.bin is updated to remove 3s stall during bootup
- removed dependency on libxml2.so
- remove audio binary and moved to source
- updated libacm.so
- added wifi calibration binaries

BUG=25751258
BUG=25592980

Change-Id: Ic5e6a3719e0d94df4d5ccbc63dce074d70cc9544
diff --git a/brunch/lib/bsp/manifest.json b/brunch/lib/bsp/manifest.json
index 8f78266..9f9805e 100644
--- a/brunch/lib/bsp/manifest.json
+++ b/brunch/lib/bsp/manifest.json
@@ -9,7 +9,7 @@
                 "subdir" : ".",
                 "remote" : "https://github.com/acorn-marvell/brillo_iap140_bin.git",
                 "licenses" : [],
-                "version" : "abox_edge-brillo-dev-2015-11-13:6bc4453829d5091b86629c012cc446a71720cf0f"
+                "version" : "abox_edge-brillo-dev-2015-12-04-2:586f6dda93ad28e9373730818b533f50e90bcbae"
             }]
     },
     "dragonboard" : {