* clk-divider-container: clk: divider: fix incorrect usage of container_of Plus fixup sprd/div.c to pass the width too.
This is a feature that can also be found in sprd composite clocks, provide a bunch of helpers that can be reused later on. Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>