dt-bindings: clock: exynos850: Add AUD and HSI main gate clocks

dt-bindings: clock: exynos850: Add AUD and HSI main gate clocks

Add main gate clocks for controlling AUD and HSI CMUs:
  - gout_aud_cmu_aud_pclk
  - gout_hsi_cmu_hsi_pclk

While at it, add missing PPMU (Performance Profiling Monitor Unit)
clocks for CMU_HSI.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20230223042133.26551-3-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>