Fix note about cdi enablement in kubernetes

Signed-off-by: Tuomas Katila <[email protected]>

Author: tkatila

cmd/gpu_plugin/README.md

@@ -228,7 +228,7 @@ To enable CDI support, container runtime has to support it. The support varies d
 * Containerd supports CDI from 1.7.0 onwards. 2.0.0 release will enable it by default.
 * Docker supports CDI from v25 onwards.
 
-Kubernetes CDI support is GA in 1.31. In 1.28 - 1.30 the support has to be enabled via `DevicePluginCDIDevices` feature gate.
+Kubernetes CDI support is included since 1.28 release. In 1.28 it needs to be enabled via `DevicePluginCDIDevices` feature gate. From 1.29 onwards the feature is enabled by default.
 
 > *NOTE*: To use CDI outside of Kubernetes, for example with Docker or Podman, CDI specs can be generated with the [Intel CDI specs generator](https://github.com/intel/intel-resource-drivers-for-kubernetes/releases/tag/specs-generator-v0.1.0).