aiy-board-tweaks: Rename to fit the new naming scheme

Change-Id: Iddb9748c3d403033e7c99c920d22264fd8f760a1
diff --git a/mendel.xml b/mendel.xml
index b895545..47559a5 100644
--- a/mendel.xml
+++ b/mendel.xml
@@ -24,7 +24,7 @@
     <!-- BEGIN Package repos -->
     <project path="packages/aiy-board-gadget" name="aiy-board-gadget" />
     <project path="packages/aiy-board-tools" name="aiy-board-tools" />
-    <project path="packages/aiy-board-tweaks" name="aiy-board-tweaks" />
+    <project path="packages/mendel-minimal" name="aiy-board-tweaks" />
     <project path="packages/base-files" name="base-files" />
     <project path="packages/mdt-services" name="mdt-services" />
     <project path="packages/mendel-distro-info-data" name="mendel-distro-info-data" />