SpacemiT K1 RISC-V chip datasheet update

SpacemiT K1 datasheet update

https://developer.spacemit.com/#/documentation?token=DBd4wvqoqi2fiqkiERTcbEDknBh

SpacemiT K1 8 core RISC-V chip (Banana Pi BPI-F3) RISC-V IME set Specification public on github