boards: st: Fix boards that use BlueNRG-x BLE module

Utilize properties introduced in commit
df4869fb60f49fe60e6595bf85b0448c46e8f3ab to comply with the new changes
of ST HCI-SPI BLE driver.

Signed-off-by: Ali Hozhabri <ali.hozhabri@st.com>
5 files changed