Merge branch 'i2c-mux/for-current' of https://github.com/peda-r/i2c-mux into i2c/for-current

Pull in changes for 4.11 from the i2c-mux subsubsystem:

"Here are some changes for the pca954x driver. It's a revert of the
un-endorsed ACPI support and a fixup in the handling of PCA9546."