clk: meson: add Hardware Clock measure driver

clk: meson: add Hardware Clock measure driver

Amlogic SoCs embeds an hardware clock measure block, port it
from Linux and implement it as a UCLK_CLK with only the dump
op and fail-only xlate.

Based on the Linux driver introduced in [1].

[1] commit 2b45ebef39a2 ("soc: amlogic: Add Meson Clock Measure driver").

Reviewed-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231218-uboot-meson-clk-msr-v3-1-acf4d90ccfee@linaro.org