board: Add Microchip PIC32MZ[DA]-Starter-Kit board.

This adds support for Microchip PIC32MZ[DA] StarterKit board
based on a PIC32MZ[DA] family of microcontroller.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
10 files changed