[PATCH] Documentation: boards: stm32mp: describe location of DIP switch

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

ChatGPT can explain ASCII art, but without information about the
position, it's not as useful for a blind user.

Extend the docs, so it's more useful in that case.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 Documentation/boards/stm32mp.rst | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/boards/stm32mp.rst b/Documentation/boards/stm32mp.rst
index 813117a04f22..2d6e954b79cc 100644
--- a/Documentation/boards/stm32mp.rst
+++ b/Documentation/boards/stm32mp.rst
@@ -205,7 +205,12 @@ SW1 on the DK boards sets boot mode as follows::
 
 DK-1/DK-2
 ^^^^^^^^^
-Boot mode on the DK board is set as follows::
+Boot mode on the DK board is set via a dual DIP switch on the backside of the PCB
+(under the HDMI port).
+
+If the board is set up, so the HDMI side looks up and the micro-USB side is to
+the left and the backside with the DIP-Switch is to the user, it can be configured
+as follows:
 
        +-------+
  BOOT2 | O O-- |
-- 
2.39.2