manifest: sdk-nrfxlib: Pull new nRF71 interface files

The interface files are different to nRF70, pull the files, the firmware
blobs are not yet available.

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

west.yml

@@ -144,7 +144,7 @@ manifest:
     - name: nrfxlib
       repo-path: sdk-nrfxlib
       path: nrfxlib
-      revision: 6d9f3b8888ff9622e7379d12ebb8dad3e3530481
+      revision: 664572979dd1a293a19c47e43749b42800be9c18
     - name: trusted-firmware-m
       repo-path: sdk-trusted-firmware-m
       path: modules/tee/tf-m/trusted-firmware-m