macOS: upgrade from Mojave 10.14.6 to Catalina 10.15

After some readings at macOS 10.15 Catalina is Now Available on the Mac App Store, followed these steps:

1. Upgraded Clover from 4920 to 5070 (macOS: from Clover 4920 to 5070)
2. Updated AppleALC.kext
3. Updated Lilu.kext
4. Updated WhateverGreen.kext
5. Followed the steps from [Guide] USB power property injection for Sierra (and later), and installed downloaded SSDT-EC.aml into EFI/CLOVER/ACPI/patched/
6. Rebooted
7. Downloaded and installed Catalina regularly.
   NB: At some point, the proper boot device was removed from the BIOS, but once reset, the install completed.
8.