MAINTAINERS: add TCPM section

Add new section for USB TypeC Port Manager (TCPM) support, which
is needed to figure out cable orientation of USB-C plus and to do
USB PD communication.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Marek Vasut <marex@denx.de>
diff --git a/MAINTAINERS b/MAINTAINERS
index 7c6c368..eef6353 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1754,6 +1754,15 @@
 F:	common/usb_storage.c
 F:	include/usb.h
 
+USB TCPM
+M:	Sebastian Reichel <sebastian.reichel@collabora.com>
+S:	Maintained
+F:	cmd/tcpm.c
+F:	doc/usage/cmd/tcpm.rst
+F:	drivers/usb/tcpm/
+F:	include/usb/pd.h
+F:	include/usb/tcpm.h
+
 USB xHCI
 M:	Bin Meng <bmeng.cn@gmail.com>
 S:	Maintained