Firmware path can be tuned via KMM 2.0

[iranzo]

By using this: https://openshift-kmm.netlify.app/documentation/firmwares/#setting-the-kernels-firmware-search-path

We no longer need to perform an MCM change to the firmware path

Affects:

• https://github.com/intel/intel-technology-enabling-for-openshift/blob/main/machine_configuration/README.md#set-up-an-alternative-firmware-path-for-the-cluster
• https://github.com/intel/intel-technology-enabling-for-openshift/blob/main/kmmo/intel-dgpu.yaml#L14
• https://github.com/intel/intel-technology-enabling-for-openshift/blob/main/kmmo/intel-dgpu-on-premise-build.yaml#L24

[hershpa]

Thanks @iranzo! We have already validated this feature, we plan to add it in our upcoming 1.2.1 release.