dmaengine: dw: platform: Move handle check to dw_dma_acpi_controller_register()
Move ACPI handle check to the dw_dma_acpi_controller_register(). While here, convert it to has_acpi_companion() which is recommended way. Signed-off-by:Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20190820131546.75744-9-andriy.shevchenko@linux.intel.comSigned-off-by:
Vinod Koul <vkoul@kernel.org>
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