MAINTAINER: Fix Qualcomm ETHQOS ethernet DT file

Commit 83c177ae: ("MAINTAINER: Add entry for Qualcomm ETHQOS
ethernet driver") added incorrect filename for DT binding, fix the same.

Fixes: 83c177ae ("MAINTAINER: Add entry for Qualcomm ETHQOS ethernet driver")
Reported-By: Joe Perches <joe@perches.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <agross@kernel.org>

MAINTAINERS

@@ -13043,7 +13043,7 @@ M:	Niklas Cassel <niklas.cassel@linaro.org>
 L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
-F:	Documentation/devicetree/bindings/net/qcom,dwmac.txt
+F:	Documentation/devicetree/bindings/net/qcom,ethqos.txt
 
 QUALCOMM GENERIC INTERFACE I2C DRIVER
 M:	Alok Chauhan <alokc@codeaurora.org>