boards: microchip: add PIC32CX SG61 Curiosity Ultra Evaluation Kit support

Add initial support for the Microchip PIC32CX SG61 Curiosity Pro board

Product page: https://www.microchip.com/en-us/development-tool/ev09h35a

Signed-off-by: Muhammed Asif <muhammed.asif@microchip.com>
8 files changed