dmaengine: xdmac: make it selectable for ARCH_MICROCHIP

LAN969x uses the Atmel XDMAC, so make it selectable for ARCH_MICROCHIP to
avoid needing to update depends in future if other Microchip SoC-s use it
as well.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20250702183856.1727275-9-robert.marko@sartura.hr
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: robimarko

drivers/dma/Kconfig

@@ -110,7 +110,7 @@ config AT_HDMAC
 
 config AT_XDMAC
 	tristate "Atmel XDMA support"
-	depends on ARCH_AT91
+	depends on ARCH_MICROCHIP
 	select DMA_ENGINE
 	help
 	  Support the Atmel XDMA controller.