Exynos I2C: tolerate initialisation with no mux subsystem
Exynos I2C: tolerate initialisation with no mux subsystem

agacek/util_libs,agacek/libplatsupport,seL4/libplatsupport,seL4/libplatsupport,agacek/libplatsupport,winksaville/libplatsupport,agacek/util_libs,agacek/util_libs,agacek/util_libs,winksaville/libplatsupport