[PATCH v9 03/10] mux: minimal mux subsystem and gpio-based mux controller

Add a new minimalistic subsystem that handles multiplexer controllers. When multiplexers are used in various places in the kernel, and the same multiplexer controller can be used for several independent things, there should be one place to implement support for said multiplexer controller. A

[PATCH v9 03/10] mux: minimal mux subsystem and gpio-based mux controller

Add a new minimalistic subsystem that handles multiplexer controllers. When multiplexers are used in various places in the kernel, and the same multiplexer controller can be used for several independent things, there should be one place to implement support for said multiplexer controller. A