staging: greybus: add maintainer for uart and log protocol drivers

Add myself as greybus uart and log protocol driver maintainer.

Signed-off-by: David Lin <dtwlin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 8d2a48c..e013c2b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5338,6 +5338,12 @@
 F:	drivers/staging/greybus/spilib.c
 F:	drivers/staging/greybus/spilib.h
 
+GREYBUS PROTOCOLS DRIVERS
+M:	David Lin <dtwlin@gmail.com>
+S:	Maintained
+F:	drivers/staging/greybus/uart.c
+F:	drivers/staging/greybus/log.c
+
 GREYBUS PLATFORM DRIVERS
 M:	Vaibhav Hiremath <hvaibhav.linux@gmail.com>
 S:	Maintained