mainteners: change mailing list address

Change the email address for patches to the OpenAMP Project mailing list.

Signed-off-by: Ed Mooring <ed.mooring@xilinx.com>

MAINTAINERS.md

@@ -9,18 +9,15 @@ names to be CC'd when submitting a patch.
 
 
 ## Project Administration
-Wendy Liang <wendy.liang@xilinx.com>
 Ed Mooring <ed.mooring@linaro.org>
 Arnaud Pouliquen <arnaud.pouliquen@st.com>
 
 ### All patches CC here
-open-amp@googlegroups.com
+openamp-rp@lists.openampproject.org
 
 ## Machines
 ### Xilinx Platform - Zynq-7000
-Wendy Liang <wendy.liang@xilinx.com>
 Ed Mooring <ed.mooring@linaro.org>
 
 ### Xilinx Platform - Zynq UltraScale+ MPSoC
-Wendy Liang <wendy.liang@xilinx.com>
 Ed Mooring <ed.mooring@linaro.org>