MAINTAINERS: Add entry for STM32 DMA controllers drivers and documentation

Add an entry to make myself a maintainer of STM32 DMA controllers drivers
and documentation.

Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20240531150712.2503554-4-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: ADESTM

MAINTAINERS

@@ -21485,6 +21485,15 @@ F:	Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml
 F:	Documentation/devicetree/bindings/sound/st,stm32-*.yaml
 F:	sound/soc/stm/
 
+STM32 DMA DRIVERS
+M:	Amélie Delaunay <amelie.delaunay@foss.st.com>
+L:	dmaengine@vger.kernel.org
+L:	linux-stm32@st-md-mailman.stormreply.com (moderated for non-subscribers)
+S:	Maintained
+F:	Documentation/arch/arm/stm32/stm32-dma-mdma-chaining.rst
+F:	Documentation/devicetree/bindings/dma/stm32/
+F:	drivers/dma/stm32/
+
 STM32 TIMER/LPTIMER DRIVERS
 M:	Fabrice Gasnier <fabrice.gasnier@foss.st.com>
 S:	Maintained