mips-pull-2020-07-18

Daniel Schwierzeck

@schwierd

5fef24c9 · mips: octeon: Add minimal Octeon 3 EBB7304 EVK support · Jul 18, 2020

- MIPS: refactor cache init and setup in start.S
- MIPS: sync asm header files with Linux 5.7
- MIPS: add initial support for Marvell Octeon MIPS64