boards: st: stm32n6: enable dma for stm32n6 boards

Update documentation to indicate that DMA is available on Nucleo N657x0-Q
and STM32N6570 DK boards.

Signed-off-by: Guillaume Gautier <[email protected]>

Author: gautierg-st

boards/st/nucleo_n657x0_q/doc/index.rst

@@ -67,6 +67,8 @@ The Zephyr ``nucleo_n657x0_q`` board supports the following hardware features:
 +===========+============+=====================================+
 | CLOCK     | on-chip    | reset and clock control             |
 +-----------+------------+-------------------------------------+
+| DMA       | on-chip    | Direct Memory Access Controller     |
++-----------+------------+-------------------------------------+
 | GPIO      | on-chip    | gpio                                |
 +-----------+------------+-------------------------------------+
 | NVIC      | on-chip    | nested vector interrupt controller  |

boards/st/nucleo_n657x0_q/twister.yaml

@@ -4,6 +4,7 @@ arch: arm
 ram: 1024
 flash: 1024
 supported:
+  - dma
   - gpio
   - uart
 vendor: st

boards/st/stm32n6570_dk/doc/index.rst

@@ -71,6 +71,8 @@ The Zephyr ``stm32n6570_dk`` board supports the following hardware features:
 +===========+============+=====================================+
 | CLOCK     | on-chip    | reset and clock control             |
 +-----------+------------+-------------------------------------+
+| DMA       | on-chip    | Direct Memory Access Controller     |
++-----------+------------+-------------------------------------+
 | GPIO      | on-chip    | gpio                                |
 +-----------+------------+-------------------------------------+
 | NVIC      | on-chip    | nested vector interrupt controller  |

boards/st/stm32n6570_dk/twister.yaml

@@ -5,6 +5,7 @@ ram: 1024
 flash: 1024
 vendor: st
 supported:
+  - dma
   - gpio
   - uart
 variants: