Compile only DaynaPORT target for now

.github/workflows/firmware_build.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Build firmware
         run: |
           cd ZuluSCSI
-          pio run -v
+          pio run -ve ZuluSCSI_Pico_DaynaPORT
     
       - name: Rename firmware files
         run: |