dmaengine: lgm: Use builtin_platform_driver macro to simplify the code

Use the builtin_platform_driver macro to simplify the code, which is the
same as declaring with device_initcall().

Signed-off-by: Li Zetao <[email protected]>
Acked-by: Peter Harliman Liem <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: Li Zetao

drivers/dma/lgm/lgm-dma.c

@@ -1732,9 +1732,4 @@ static struct platform_driver intel_ldma_driver = {
  * registered DMA channels and DMA capabilities to clients before their
  * initialization.
  */
-static int __init intel_ldma_init(void)
-{
-	return platform_driver_register(&intel_ldma_driver);
-}
-
-device_initcall(intel_ldma_init);
+builtin_platform_driver(intel_ldma_driver);