build: Add nrf9151dk with modem trace

Add nrf9151dk with modem trace.
Limit trace builds to 'build_all' flag.

Signed-off-by: Jorgen Kvalvaag <jorgen.kvalvaag@nordicsemi.no>

Author: jorgenmk

.github/workflows/build.yml

@@ -229,13 +229,24 @@ jobs:
           mqtt: true
 
       - name: Build thingy91x with modem trace on uart
+        if: ${{ inputs.build_all }}
         uses: ./asset-tracker-template/.github/actions/build-step
         with:
           board: thingy91x/nrf9151/ns
           short_board: thingy91x
           modem_trace: true
           version: ${{ env.VERSION }}-mtrace
           path: asset-tracker-template/app
+      
+      - name: Build nrf9151dk with modem trace on uart
+        if: ${{ inputs.build_all }}
+        uses: ./asset-tracker-template/.github/actions/build-step
+        with:
+          board: nrf9151dk/nrf9151/ns
+          short_board: nrf9151dk
+          modem_trace: true
+          version: ${{ env.VERSION }}-mtrace
+          path: asset-tracker-template/app
 
       - name: Upload artifacts
         uses: actions/upload-artifact@v4