List the olimex-stm32-h405 board in the document title, so that the
board name appears in the table of contents in system/target-arm.rst.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Message-id: 20241018141332.942844-2-peter.maydell@linaro.org
---
 docs/system/arm/stm32.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/system/arm/stm32.rst b/docs/system/arm/stm32.rst
index ca7a55841b4..511e3eb9ac1 100644
--- a/docs/system/arm/stm32.rst
+++ b/docs/system/arm/stm32.rst
@@ -1,5 +1,5 @@
-STMicroelectronics STM32 boards (``netduino2``, ``netduinoplus2``, ``stm32vldiscovery``)
-========================================================================================
+STMicroelectronics STM32 boards (``netduino2``, ``netduinoplus2``, ``olimex-stm32-h405``, ``stm32vldiscovery``)
+===============================================================================================================
 
 The `STM32`_ chips are a family of 32-bit ARM-based microcontroller by
 STMicroelectronics.
-- 
2.34.1