eagle: Update multistrap.conf to pull from GKE.

This should allow our external developers to be able to replicate the
eagle release using the eagle released files.

Change-Id: Ideb0e6cb8826602b43a19acde5c0f5ba73d30c06
diff --git a/multistrap.conf b/multistrap.conf
index c752405..787e8f9 100644
--- a/multistrap.conf
+++ b/multistrap.conf
@@ -8,13 +8,13 @@
 
 [main]
 packages=MAIN_PACKAGES
-source=https://packages.cloud.google.com/apt
-suite=mendel-day
+source=https://mendel-linux.org/apt/eagle
+suite=eagle
 
 [bsp]
 packages=
-source=https://packages.cloud.google.com/apt
-suite=mendel-bsp-enterprise-day
+source=https://mendel-linux.org/apt/eagle-bsp-enterprise
+suite=eagle
 
 [edgetpu]
 packages=