ARM: dts: add stm32f769-disco-mb1166-reva09

ARM: dts: add stm32f769-disco-mb1166-reva09

[backport from Linux commit db4fc2c79c533986795a7750e9a12caf9d620b48]

As reported in the section 8.3 (i. e. Board revision history) of document
UM2033 (i. e. Discovery kit with STM32F769NI MCU) these are the changes
related to the board revision addressed by the patch:
- Board MB1166 revision A-09:
  - LCD FRIDA FRD397B25009-D-CTK replaced by FRIDA FRD400B25025-A-CTK

The patch adds the DTS support for the new display which belongs to the
the Novatek NT35510-based panel family.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>