Changed occurrences of gerrit.openbmc-project.xyz

After updates Gerrit is now hosted at https://gerrit.openbmc.org.
Urls in the documentation are now updated to reflect this change.

Signed-off-by: Corey Hardesty <corey.hardesty@icloud.com>
Change-Id: I3a7f7d338ca1ce600ccf7b41fa03bd62007925ba
diff --git a/meta-google/README b/meta-google/README
index ef22a55..cda7952 100644
--- a/meta-google/README
+++ b/meta-google/README
@@ -14,7 +14,7 @@
 Patches
 =======
 
-Please submit any patches against the meta-google layer to the OpenBMC gerrit https://gerrit.openbmc-project.xyz/
+Please submit any patches against the meta-google layer to the OpenBMC gerrit https://gerrit.openbmc.org/
 
 Layer maintainer: Patrick Venture <venture@google.com>