snippets: zperf: enable zperf server

zperf server functionality has recently been opted-in so
our zperf snippet should be updated to enable the server
explicitly.

Also, pull the fix for building zperf server with UDP only.

Signed-off-by: Damian Krolik <[email protected]>

Author: Damian-Nordic

snippets/zperf/zperf.conf

@@ -7,6 +7,7 @@
 # Enable Zperf
 CONFIG_NET_SHELL=y
 CONFIG_NET_ZPERF=y
+CONFIG_NET_ZPERF_SERVER=y
 CONFIG_NET_CONTEXT_RCVTIMEO=y
 CONFIG_NET_SOCKETS=y
 CONFIG_ZVFS_OPEN_MAX=9

west.yml

@@ -65,7 +65,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 36ffd80983a7804fb6ed142f11279dbe283996d9
+      revision: b1c76998edb2252cc10bb911ca7a9973972d1888
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above