Install lld in OS compiler workflow

Author: ndgrigorian

.github/workflows/os-llvm-sycl-build.yml

@@ -26,10 +26,11 @@ jobs:
         with:
           access_token: ${{ github.token }}
 
-      - name: Install hwloc
+      - name: Install hwloc and lld
         shell: bash -l {0}
         run: |
           sudo apt install hwloc
+          sudo apt install lld
 
       - name: Cache sycl bundle
         id: cache-sycl-bundle