ext: hal: cypress: Import Cypress PDL for PSoC6 SoC Support

This includes:
* the Cypress Peripheral Driver Library (PDL) For PSoC6 SoC.

Origin: Cypress PDL for PSoC6
URL: https://github.com/cypress/pdl


Version: 3.1.0 (SHA: 2af49fe057320981c11117462a0962d956fc3056)
Purpose: Add support for Cypress PSoC SoC
License: Apache
Maintained-by: External

Signed-off-by: Oleg Kapshii <oleg.kapshii@cypress.com>
Signed-off-by: Nazar Chornenkyy <nazar.chornenkyy@cypress.com>