dmaengine: jz4780: drop of_match_ptr from of_device_id table
The driver can match only via the DT table so the table should be always
used and the of_match_ptr does not have any sense (this also allows ACPI
matching via PRP0001, even though it is not relevant here). This fixes
compile warning (!CONFIG_OF on x86_64):
drivers/dma/dma-jz4780.c:1031:34: warning:
‘jz4780_dma_dt_match’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201120162303.482126-1-krzk@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>