arm64: dts: rockchip: Fix SCMI assigned clocks on rk3588s

arm64: dts: rockchip: Fix SCMI assigned clocks on rk3588s

Since commit df4fdd0db475 ("dt-bindings: firmware: arm,scmi: Restrict
protocol child node properties") the following dtbs_check warning is
shown:

  rk3588-rock-5b.dtb: scmi: protocol@14: Unevaluated properties are not
  allowed ('assigned-clock-rates', 'assigned-clocks' were unexpected)

Because adding the missing properties to firmware/arm,scmi.yaml binding
document was not an acceptable solution, move SCMI_CLK_CPUB01 and
SCMI_CLK_CPUB23 assigned clocks to the related CPU nodes and also add
the missing SCMI_CLK_CPUL.

Additionally, adjust frequency to 816 MHz for all the above mentioned
assigned clocks, in order to match the firmware defaults.

Suggested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20230402095054.384739-2-cristian.ciocaltea@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>