ARM: dts: qcom-apq8064: stop using legacy clock names for HDMI

Stop using legacy clock names (with _clk suffix) for HDMI and HDMI PHY
device tree nodes.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211014214221.4173287-1-dmitry.baryshkov@linaro.org