manifest: Update nrfxlib and dragoon for v2.6.4-DRGN-25465 release

Update sdc and mpsl for v2.6.4-DRGN-25465 release.

Signed-off-by: Sean Madigan <[email protected]>

Author: sean-madigan

west.yml

@@ -142,7 +142,7 @@ manifest:
     - name: nrfxlib
       repo-path: sdk-nrfxlib
       path: nrfxlib
-      revision: v2.6.4
+      revision: 4fd27c5a8bd45c75893fc30b734afeb46a81553c
     - name: trusted-firmware-m
       repo-path: sdk-trusted-firmware-m
       path: modules/tee/tf-m/trusted-firmware-m
@@ -181,7 +181,7 @@ manifest:
       # Only for internal Nordic development
       repo-path: dragoon.git
       remote: dragoon
-      revision: 18e58188d12088a3f1e6bcf7964d5368889b377e
+      revision: e5d86ebfadebfb093bd99d5594813b1a6ff95f1c
       submodules: true
       groups:
         - dragoon