dmaengine: imx-sdma: Add MODULE_FIRMWARE

[Vinod Koul <vinod.koul@intel.com>]

On Wed, Dec 13, 2017 at 04:50:33PM +0100, Nicolas Chauvet wrote:
> This avoid the following error when using an initramfs on wandboard quad
> Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2

Are you sure this fixes with latest kernel as the firmware in kernel has
been removed with commit 5620a0d1aacd: ("firmware: delete in-kernel
firmware")

> Signed-off-by: Nicolas Chauvet <kwizart@gmail.com>
> ---
>  drivers/dma/imx-sdma.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
> index 2184881afe76..e7db24c67030 100644
> --- a/drivers/dma/imx-sdma.c
> +++ b/drivers/dma/imx-sdma.c
> @@ -1939,4 +1939,10 @@ module_platform_driver(sdma_driver);
>  
>  MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
>  MODULE_DESCRIPTION("i.MX SDMA driver");
> +#if IS_ENABLED(CONFIG_SOC_IMX6Q)
> +MODULE_FIRMWARE("imx/sdma/sdma-imx6q.bin");
> +#endif
> +#if IS_ENABLED(CONFIG_SOC_IMX7D)
> +MODULE_FIRMWARE("imx/sdma/sdma-imx7d.bin");
> +#endif
>  MODULE_LICENSE("GPL");
> -- 
> 2.13.6
>