interconnect: qcom: sc8180x: specify num_nodes

Specify .num_nodes for several BCMs which missed this declaration.

Fixes: 04548d4e ("interconnect: qcom: sc8180x: Reformat node and bcm definitions")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250704-rework-icc-v2-2-875fac996ef5@oss.qualcomm.com


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