v7.0

upgraded from Big Sur 11.1 to Big Sur 11.2.1

• upgraded from OpenCore 0.6.4 to OpenCore 0.6.6
• upgrade to Lilu-1.5.1
• upgrade to AppleALC-1.5.7
• upgrade to WhateverGreen-1.4.7
• upgrade to VirtualSMC-1.2.0