arm64: dts: amlogic: meson-axg: fix SCPI clock dvfs node name

Fixes:
scpi: clocks: 'clock-controller' does not match any of the regexes: '^clocks-[0-9a-f]+$', 'pinctrl-[0-9]+'

Link: https://lore.kernel.org/r/20230124-b4-amlogic-bindings-fixups-v1-2-44351528957e@linaro.org


Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>