Enable ROCm CI for trunk (#80920)

Fixes #ISSUE_NUMBER

Pull Request resolved: https://github.com/pytorch/pytorch/pull/80920
Approved by: https://github.com/malfet
diff --git a/.github/workflows/trunk.yml b/.github/workflows/trunk.yml
index 74b2dff..6da4b03 100644
--- a/.github/workflows/trunk.yml
+++ b/.github/workflows/trunk.yml
@@ -223,7 +223,6 @@
         ]}
 
   linux-bionic-rocm5_1-py3_7-build:
-    if: false
     name: linux-bionic-rocm5.1-py3.7
     uses: ./.github/workflows/_linux-build.yml
     with: