CI: travis-ci: enable weekly graviton2 builds

as documented in https://blog.travis-ci.com/2020-09-11-arm-on-aws
we can build on graviton2, let us expand travis-ci matrix to that
machine type as well

diff --git a/.travis.yml b/.travis.yml
index 2cb2d25a6131a8e10659e7d82109af68a2cd373b..1aa415aa8d56cf29b59f188f617e927c41fa7907 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,6 +26,12 @@ matrix:
     arch: arm64
     compiler: gcc
     if: type == cron
+  - os: linux
+    arch: arm64-graviton2
+    group: edge
+    virt: vm
+    compiler: gcc
+    if: type == cron
   - os: linux
     arch: s390x
     compiler: gcc