dt-bindings: mfd: qcom,tcsr: Add compatible for QCS8300

Document the qcom,qcs8300-tcsr compatible, tcsr will provide various
control and status functions for their peripherals.

Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240911-qcs8300_tcsr_binding-v2-1-66eb5336b8d1@quicinc.com


Signed-off-by: Lee Jones <lee@kernel.org>