dmaengine: pxa: Enable compile test

The PXA_DMA driver does not include any asm/mach headers, so it can be
compile tested for build coverage.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250114191316.857154-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: krzk

drivers/dma/Kconfig

@@ -546,7 +546,7 @@ config PL330_DMA
 
 config PXA_DMA
 	bool "PXA DMA support"
-	depends on (ARCH_MMP || ARCH_PXA)
+	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
 	select DMA_ENGINE
 	select DMA_VIRTUAL_CHANNELS
 	help