Update firmware-test.yml

Author: dakhnod

.github/workflows/firmware-test.yml

@@ -39,7 +39,7 @@ jobs:
         path: /tmp/nrf51_firmware
     - name: flash firmware
       working-directory: /home/home/Projects/BLEnky/openocd
-      run: src/openocd -s tcl -f raspi-bcm2385.tcl -f nrf51.cfg -c "program /tmp/nrf51_firmware/nrf51822_xxac.hex verify reset exit"
+      run: src/openocd -s tcl -f raspi-bcm2385.tcl -f target/nrf51.cfg -c "program /tmp/nrf51_firmware/nrf51822_xxac.hex verify reset exit"
 
   test:
     runs-on: [self-hosted, firmware-flasher]