Add MT2712 clock support, include topckgen, apmixedsys, infracfg, pericfg, mcucfg and subsystem clocks. Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> [sboyd@codeaurora.org: Static on top_clk_data] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>