dt-bindings: clock: ast2700: modify soc0/1 clock define

-add SOC0_CLK_AHBMUX:
add SOC0_CLK_AHBMUX for ahb clock source divide.
mpll->
      ahb_mux -> div_table -> clk_ahb
hpll->

-new add clock:
 SOC0_CLK_MPHYSRC: UFS MPHY clock source.
 SOC0_CLK_U2PHY_REFCLKSRC: USB2.0 phy clock reference source.
 SOC1_CLK_I3C: I3C clock source.

Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>