soc: nxp: mcxw: Add BLE support to MCXW2XX soc

Add configuration for BLE
Add 32KHz Osc clock needed by BLE
Move nxp_nbu.c include to be shared on mcxw7x and mcxw2x

Signed-off-by: Yassine El Aissaoui <yassine.elaissaoui@nxp.com>
5 files changed