Add myself and Shiva Chen in MATINTAINERS file as nds32 port maintainers

[Chung-Ju Wu]

According to the announcement:
  http://gcc.gnu.org/ml/gcc/2013-07/msg00232.html

I added myself and Shiva Chen as nds32 port maintainers.


Index: ChangeLog
===================================================================
--- ChangeLog   (revision 201046)
+++ ChangeLog   (working copy)
@@ -1,3 +1,9 @@
+2013-07-19  Chung-Ju Wu  <jasonwucj@gmail.com>
+	     Shiva Chen  <shiva0217@gmail.com>
+
+	* MAINTAINERS (nds32 port): Add Chung-Ju Wu and Shiva Chen as
+	nds32 port maintainers.
+
 2013-07-17  Tim Shen  <timshen91@gmail.com>

	* MAINTAINERS (Write After Approval): Add myself.


Index: MAINTAINERS
===================================================================
--- MAINTAINERS (revision 201046)
+++ MAINTAINERS (working copy)
@@ -87,6 +87,8 @@
 mn10300 port           Jeff Law                law@redhat.com
 mn10300 port           Alexandre Oliva         aoliva@redhat.com
 moxie port             Anthony Green           green@moxielogic.com
+nds32 port             Chung-Ju Wu             jasonwucj@gmail.com
+nds32 port             Shiva Chen              shiva0217@gmail.com
 pdp11 port             Paul Koning             ni1d@arrl.net
 picochip port          Daniel Towner           dant@picochip.com
 rl78 port              DJ Delorie              dj@redhat.com


Thanks GCC SC for accepting our contribution.
After getting approval from a global reviewer, we will
commit initial patches.  We will also regularly publish
our testing results on gcc-testresults mailing list.


Best regards,
jasonwucj