interconnect: qcom: qcm2290: Hook up MAS_APPS_PROC's bus clock

interconnect: qcom: qcm2290: Hook up MAS_APPS_PROC's bus clock

This single node has its own clock which seems to be responsible for
transactions between CPUSS (CPU + some stuff) and the GNOC. See [1]
for reference.

Define it and hook it up.

[1] https://android.googlesource.com/kernel/msm-extra/devicetree/+/02f8c342b23c20a5cf967df649814be37a08227c%5E%21/#F0
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230726-topic-icc_coeff-v4-5-c04b60caa467@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>