Merge branches 'clk-mvebu-spdx', 'clk-meson', 'clk-imx7d-mu',...

Merge branches 'clk-mvebu-spdx', 'clk-meson', 'clk-imx7d-mu', 'clk-imx-init-array-cleanup' and 'clk-rockchip' into clk-next

* clk-mvebu-spdx:
  clk: mvebu: armada-37xx-periph: switch to SPDX license identifier

* clk-meson:
  clk: meson: add gen_clk
  clk: meson: gxbb: remove HHI_GEN_CLK_CTNL duplicate definition
  clk: meson-axg: add clocks required by pcie driver
  clk: meson: remove unused clk-audio-divider driver
  clk: meson: stop rate propagation for audio clocks
  clk: meson: axg: add the audio clock controller driver
  clk: meson: add axg audio sclk divider driver
  clk: meson: add triple phase clock driver
  clk: meson: add clk-phase clock driver
  clk: meson: clean-up meson clock configuration
  clk: meson: remove obsolete register access
  clk: meson: expose GEN_CLK clkid
  clk: meson-axg: add pcie and mipi clock bindings
  dt-bindings: clock: add meson axg audio clock controller bindings
  clk: meson: audio-divider is one based
  clk: meson-gxbb: set fclk_div2 as CLK_IS_CRITICAL

* clk-imx7d-mu:
  :  - i.MX7D mailbox clk support
  clk: imx7d: add IMX7D_MU_ROOT_CLK

* clk-imx-init-array-cleanup:
  :  - i.MX clk init arrays removed in place of CLK_IS_CRITICAL
  clk: imx6sx: remove clks_init_on array
  clk: imx6sl: remove clks_init_on array
  clk: imx6q: remove clks_init_on array

* clk-rockchip:
  clk: rockchip: Add pclk_rkpwm_pmu to PMU critical clocks in rk3399
  clk: rockchip: fix clk_i2sout parent selection bits on rk3399
  clk: rockchip: add clock controller for px30
  clk: rockchip: add support for half divider
  dt-bindings: add bindings for px30 clock controller
  clk: rockchip: add dt-binding header for px30