interconnect: qcom: qcs404: Add regmaps and more bus descriptions

Currently we are lacking descriptions of regmaps, bus clocks
and types of busses, provide them.

Signed-off-by: Adam Skladowski <a39.skl@gmail.com>
Link: https://lore.kernel.org/r/20240709102728.15349-7-a39.skl@gmail.com


Signed-off-by: Georgi Djakov <djakov@kernel.org>