Merge footprints for DFN-8-1EP_2x2mm_P0.5mm_EP0.6x1.2mm and EP0.7x1.3mm

See kicad-symbols!4355 (merged) and kicad-packages3D-generator!106 (closed).

Datasheets:

• https://www.onsemi.com/pub/Collateral/NUF4401MN-D.PDF#page=6
• https://www.qorvo.com/products/d/da001879

Initial merge requests:

• kicad-footprints!2004 (merged)
• !452 (merged)
• kicad-footprints!2367 (merged)
• !577 (merged)

Onesemi

Qorvo