MAINTAINERS: dmaengine: dw axi dmac: Fix typo in a path

Fix typo (s/dwi-/dw-/) in the directory path.

Fixes: 1fe20f1b ("dmaengine: Introduce DW AXI DMAC driver")
Signed-off-by: Denis Efremov <efremov@linux.com>
Link: https://lore.kernel.org/r/20190813060004.10594-1-efremov@linux.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

MAINTAINERS

@@ -15488,7 +15488,7 @@ F:	Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt
 SYNOPSYS DESIGNWARE AXI DMAC DRIVER
 M:	Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
 S:	Maintained
-F:	drivers/dma/dwi-axi-dmac/
+F:	drivers/dma/dw-axi-dmac/
 F:	Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.txt
 
 SYNOPSYS DESIGNWARE DMAC DRIVER