dts: stm32wba: Introduce stm32wba55Xg package

Based on stm32wba55, stm32wba55Xg is similar from device tree description
to stm32wba52Xg.

Take the opportunity to fix stm32wba52Xg descriuption scheme which was
missing stm32wba52.dtsi.

Signed-off-by: Erwan Gouriou <erwan.gouriou@st.com>
4 files changed