device_plugins: Added README for QAT

Added QAT documentation.

Signed-off-by: chaitanya1731 <chaitanya.kulkarni@intel.com>

Author: chaitanya1731

device_plugins/README.md

@@ -33,5 +33,6 @@ inteldeviceplugins-controller-manager-6b8c76c867-hftqm   2/2     Running   0
 ```
 
 # Creating Intel Device Plugin custom resource (CR)
-- To create an Intel SGX device plugin CR, follow this [link](/device_plugins/deploy_sgx.md):
-- To create an Intel GPU device plugin CR, follow this [link](/device_plugins/deploy_gpu.md):
+- To create an Intel SGX device plugin CR, follow this [link](/device_plugins/deploy_sgx.md).
+- To create an Intel GPU device plugin CR, follow this [link](/device_plugins/deploy_gpu.md).
+- To create an Intel QAT device plugin CR, follow this [link](/device_plugins/deploy_qat.md).

device_plugins/deploy_qat.md

@@ -0,0 +1,29 @@
+# Create Intel QAT Device Plugin CR
+
+## Create a CR via web console
+1.	Go to **Operator** -> **Installed Operators**.
+2.	Open **Intel Device Plugins Operator**.
+3.	Navigate to tab **Intel QuickAssist Technology Device Plugin**.
+4.	Click **Create QatDevicePlugin** -> set correct parameters -> Click **Create** 
+5.	Optional: If you want to make any customizations, select YAML view and edit the details. When you are done, click **Create**.
+
+## Verify via web console
+1.	Verify CR by checking the status of **Workloads** -> **DaemonSet** -> **intel-qat-plugin**.
+2.	Now `QatDevicePlugin` is created.
+
+## Create CR via CLI
+Apply the CR yaml file:
+```
+$ oc apply -f https://raw.githubusercontent.com/intel/intel-technology-enabling-for-openshift/main/device_plugins/qat_device_plugin.yaml
+```
+
+## Verify via CLI
+Verify that the device plugin CR is ready: 
+```
+$ oc get QatDevicePlugin
+```
+Output: 
+```
+NAME		        DESIRED		READY	NODE SELECTOR	                                    AGE
+qatdeviceplugin-sample  1 	        1       {"intel.feature.node.kubernetes.io/qat":"true"}     3h27m
+```