dmaengine: add COMPILE_TEST for the drivers

We can do the compiling test with COMPILE_TEST.
This patch adds the COMPILE_TEST for the drivers.
Signed-off-by: Huang Shijie <sjhuang@iluvatar.ai>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/Kconfig

@@ -447,7 +447,7 @@ 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
@@ -465,7 +465,7 @@ config SIRF_DMA
 
 config STE_DMA40
 	bool "ST-Ericsson DMA40 support"
-	depends on ARCH_U8500
+	depends on ARCH_U8500 || COMPILE_TEST
 	select DMA_ENGINE
 	help
 	  Support for ST-Ericsson DMA40 controller