Various fixes for running the NxWM unit test on the STM3240G-EVAL

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4711 7fd9a85b-ad96-42d3-883c-3090e2eb8679

nuttx/Documentation/NuttxPortingGuide.html

@@ -5371,6 +5371,12 @@ build
     one for each color component.  Unless you have such special
     hardware, this value should be undefined or set to 1.
   </li>
+  <li>
+    <code>CONFIG_NX_WRITEONLY</code>:
+    Define if the underlying graphics device does not support read operations.
+    Automatically defined if <code>CONFIG_NX_LCDDRIVER</code> and <code>CONFIG_LCD_NOGETRUN</code>
+    are defined.
+  </li>
   <li>
     <code>CONFIG_NX_DISABLE_1BPP</code>, <code>CONFIG_NX_DISABLE_2BPP</code>,
     <code>CONFIG_NX_DISABLE_4BPP</code>, <code>CONFIG_NX_DISABLE_8BPP</code>
@@ -5405,6 +5411,12 @@ build
     Check the <code>README.txt</code> file in each board configuration directory to
     see if any of these are supported by the board LCD logic.
   </li>
+  <li>
+    <code>CONFIG_LCD_NOGETRUN</code>:
+    NX components need to know if it can read from the LCD or not.
+    If reading from the LCD is supported, then NxConsole can do more efficient scrolling.
+    Default: Supported
+  </li>
   <li>
     <code>CONFIG_NX_MOUSE</code>:
     Build in support for mouse input.