Kconfig: Use select instead of depends
Kconfig: Use select instead of depends

This also fixes typo on MRAA_PWM description

Signed-off-by: Brendan Le Foll <3e0e8c4069934e8b47d99704927a85c66c0ceb33@intel.com>

jontrulson/zmraa,malikabhi05/zmraa-1,intel-iot-devkit/zmraa,whbruce/zmraa