module/pin_control: Create scmi pin control module.
Add scmi pin control module to interface between scmi and pin control Hal.
Co-authored-by: Mahmoud Elsabbagh mahmoud.elsabbagh@arm.com Signed-off-by: Khaled Ali Ahmed khaled.aliahmed@arm.com Signed-off-by: Mahmoud Elsabbagh mahmoud.elsabbagh@arm.com