stm32mp: add support of STM32MP15x Rev.Y

Add support of STM32MP15x Rev.Y for the Silicon revision REV_ID = 0x2003.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
2 files changed