MAINTAINERS: Add Chuanhua Lei as Intel LGM GW PCIe maintainer

Rahul Tanwar is no longer at Maxlinear, so update the MAINTAINERS entry
for the PCIe driver for Intel LGM GW SoC.

Link: https://lore.kernel.org/r/20230519044555.3750-2-yzhu@maxlinear.com
Signed-off-by: Zhu YiXin <yzhu@maxlinear.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rahul Tanwar <rahul_tanwar@yahoo.com>
Acked-by: Lei Chuanhua <lchuanhua@maxlinear.com>

Author: Zhu YiXin

MAINTAINERS

@@ -16349,7 +16349,7 @@ F:	Documentation/devicetree/bindings/pci/intel,keembay-pcie*
 F:	drivers/pci/controller/dwc/pcie-keembay.c
 
 PCIE DRIVER FOR INTEL LGM GW SOC
-M:	Rahul Tanwar <rtanwar@maxlinear.com>
+M:	Chuanhua Lei <lchuanhua@maxlinear.com>
 L:	linux-pci@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml