meta-nuvoton: Add reivewers

Change-Id: I9bce74a5767e9e77975efd066688cef584804248
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Samuel Jiang <Samuel.Jiang@quantatw.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 3bc2ef6..3698cf2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -43,3 +43,5 @@
 -------------------------
 
 M:  Benjamin Fair <benjaminfair@google.com> <benjaminfair!>
+R:  Fran Hsu <fran.hsu@quantatw.com> <franhsu!>
+R:  Tomer Maimon <tmaimon77@gmail.com>