Add TPM policy interface

Change-Id: I244484a4dcac0b01fb859a9d5436c3f0bb04b39d
Signed-off-by: Marri Devender Rao <devenrao@in.ibm.com>
diff --git a/xyz/openbmc_project/Control/TPM/Policy.interface.yaml b/xyz/openbmc_project/Control/TPM/Policy.interface.yaml
new file mode 100644
index 0000000..01bb2ac
--- /dev/null
+++ b/xyz/openbmc_project/Control/TPM/Policy.interface.yaml
@@ -0,0 +1,8 @@
+description: >
+    Implement to set Trusted Platform Module policy.
+
+properties:
+    - name: TPMEnable
+      type: boolean
+      description: >
+          Whether or not TPM is enabled.