i2c-bugfixes-for-v2020.10

Heiko Schocher

@hs

66060609 · Link failure with CONFIG_SPL and CONFIG_I2C_MUX_PCA954x · Aug 25, 2020

i2c bugfixes for v2020.10
- fix some issues with octeon_i2c driver on ARM Octeon TX2
- fix link failure with CONFIG_SPL and CONFIG_I2C_MUX_PCA954x