Add a managed API, devm_of_dma_controller_register(), to simplify DMA engine controller registration by automatically handling resource cleanup. Signed-off-by: Frank Li <Frank.Li@nxp.com> Link: https://patch.msgid.link/20260225-mxsdma-module-v3-1-8f798b13baa6@nxp.com Signed-off-by: Vinod Koul <vkoul@kernel.org>