explicitly build for x86_64 in jenkins' mac-tinderbox configs

Change-Id: I04511d12b1c6e500790448343320944eeb97a142
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/138519
Tested-by: Jenkins
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>
diff --git a/distro-configs/Jenkins/MacOSX_dev_master.conf b/distro-configs/Jenkins/MacOSX_dev_master.conf
index 3960c4e..2c9cd0a 100644
--- a/distro-configs/Jenkins/MacOSX_dev_master.conf
+++ b/distro-configs/Jenkins/MacOSX_dev_master.conf
@@ -1,3 +1,5 @@
--host=x86_64-apple-darwin
--build=x86_64-apple-darwin
--enable-dbgutil
--enable-odk
--disable-online-update
diff --git a/distro-configs/Jenkins/MacOSX_rel_master.conf b/distro-configs/Jenkins/MacOSX_rel_master.conf
index d4ec76d..485a092 100644
--- a/distro-configs/Jenkins/MacOSX_rel_master.conf
+++ b/distro-configs/Jenkins/MacOSX_rel_master.conf
@@ -1,2 +1,4 @@
--host=x86_64-apple-darwin
--build=x86_64-apple-darwin
--enable-odk
--disable-online-update