Sfh320
Adds sfh320 phototransistor: https://look.ams-osram.com/m/5397c5d8583a26cf/original/SFH-320.pdf
Uses existing LED_SMD:LED_PLCC-2_3.4x3.0mm_KA footprint
Adds sfh320 phototransistor: https://look.ams-osram.com/m/5397c5d8583a26cf/original/SFH-320.pdf
Uses existing LED_SMD:LED_PLCC-2_3.4x3.0mm_KA footprint