c10s: Add gating.yaml and basic tests.yml for dtc

Resolves: RHEL-32187

Signed-off-by: Yash Mankad <ymankad@redhat.com>

gating.yaml

@@ -0,0 +1,6 @@
+--- !Policy
+product_versions:
+  - rhel-10
+decision_context: osci_compose_gate
+rules:
+  - !PassingTestCaseRule { test_case_name: osci.brew-build.tier0.functional }

tests/tests.yml

@@ -0,0 +1,12 @@
+- hosts: localhost
+  remote_user: root
+  tags:
+  - classic
+  roles:
+  - role: standard-test-basic
+    tests:
+    - simple:
+        dir: .
+        run: "/usr/bin/dtc --version"
+    required_packages:
+    - dtc