update

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1559 42af7a65-404d-4744-a932-0658087f49c3

configs/ez80f910200zco/README.txt

@@ -61,4 +61,14 @@ ostest
     This builds the examples/ostest application for execution from FLASH.
     See examples/README.txt for information about ostest.
 
+nsh
+    This configuratino builds the NuttShell (NSH).  That code can be
+    found in examples/nsh.  For more information see:  examples/nsh/README.txt
+    and Documentation/NuttShell.html.
+
+nettest
+    This configuration is used for testing the eZ80F91 EMAC driver.  It
+    builds examples/nettest.  See examples/README.txt for more information
+    about nettest.
+
 Check out any README.txt files in these <sub-directory>s.