config/user.yml: Enable all 4700 tests.

Signed-off-by: zhanglinjing <Linjing.Zhang@infineon.com>

Author: LinjingZhang

config/user.yml

@@ -21,7 +21,7 @@ unit-test:
    - unit-test-analog-io-pwm-4700
    - unit-test-pulse-4700
    - unit-test-time-4700
-   # - unit-test-iic-4700
+   - unit-test-iic-4700
    - unit-test-analog-io-adc-4700
    - unit-test-analog-io-dac-4700
    - unit-test-uart-4700