The Microchip XEC platform always uses pinctrl, there's no need to keep
extra macrology around pinctrl. Also updated driver's Kconfig options to
`select PINCTRL`.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
The Microchip XEC (MEC172x and MEC152x) have a breathing-blinking
LED (BBLED) block which implements a simple PWM mode. The BBLED
PWM frequencies are 32KHz and 48MHz selectable in device tree.
Frequency divider is 12-bit resolution from 256 to (256 * 4096).
Signed-off-by: Jay Vasanth <jay.vasanth@microchip.com>