config: Enabled PWM test.

Signed-off-by: MDin <Dinesh.M-EE@infineon.com>

Author: dineshgit411

config/user.yml

@@ -27,7 +27,7 @@ unit-test:
    - unit-test-uart-4700
    - unit-test-spi-single-pingpong-4700
    - unit-test-onewire-DS18x20-4700
-   
+
    - unit-test-can-1400-2go
    - unit-test-digital-io-1400
    - unit-test-tone-1400