for-v2021.01

Heiko Schocher

@hs

f517e5fe · riscv: sifive/fu540: kconfig: Enable support for Opencores I2C controller · Nov 28, 2020

i2c changes for v2021.01
new drivers:
- ocores: add i2c driver for OpenCores I2C controller
fixes:
- i2c: mvtwsi: disable i2c slave also on Armada 8k
- designware_i2c: Don't warn if no reset controller