MAINTAINERS: Add entry for PCIe DWC IMX driver

Add myself as maintainer for PCIe DWC IMX driver support.

Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 8b316c8..83fd68e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1371,6 +1371,12 @@
 S:	Maintained
 F:	tools/patman/
 
+PCIe DWC IMX
+M:	Sumit Garg <sumit.garg@linaro.org>
+S:	Maintained
+F:	drivers/pci/pcie_dw_imx.c
+F:	drivers/phy/phy-imx8m-pcie.c
+
 PCI Endpoint
 M:	Ramon Fried <rfried.dev@gmail.com>
 S:	Maintained