[SYCL][Doc] Update new Intel driver docker images (#13307)

We renamed the unstable image in
#13292

Added new devigc image in #13272.

Author: jsji

sycl/doc/developer/DockerBKMs.md

@@ -40,6 +40,14 @@ The following containers are publicly available for DPC++ compiler development:
    building DPC++ compiler from source.
 - `ghcr.io/intel/llvm/ubuntu2204_intel_drivers`: contains everything from the
    base container + pre-installed Intel drivers.
+   The image comes in three flavors/tags:
+   * `latest`: Intel drivers are downloaded from release/tag and saved in
+    dependencies.json. The drivers are tested/validated everytime we upgrade
+    the driver.
+   * `devigc`: Intel Graphics Compiler driver from github actions artifacts,
+   other drivers are downloaded from release/tag and saved in dependencies.json.
+   * `unstable`: Intel drivers are downloaded from release/latest.
+   The drivers are installed as it is, not tested or validated.
 - `ghcr.io/intel/llvm/ubuntu2204_build`: has development kits installed for
    NVidia/AMD and can be used for building DPC++ compiler from source with all
    backends enabled or for end-to-end testing with HIP/CUDA on machines with