Make logic reorganized for non-GNU toolchain

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@528 42af7a65-404d-4744-a932-0658087f49c3

Documentation/NuttX.html

@@ -789,6 +789,7 @@ Other memory:
 	  Z16F2800100ZCOG Development Kit.
 	* Add support toolchains that do not support making of dependencies
 	* Fix Cygwin build with spaces in directory names
+	* Name make system changes to deal with non-GNU toolchains (i.e., Zilog)
 </pre></ul>
 
 <table width ="100%">

Documentation/NuttxPortingGuide.html

@@ -518,6 +518,7 @@
     <ul>
       <li>Tools: CC, LD, AR, NM, OBJCOPY, OBJDUMP</li>
       <li>Tool options: CFLAGS, LDFLAGS</li>
+      <li>COMPILE, ASSEMBLE, ARCHIVE, and MKDEP macros</li>
     </ul>
     <p>
       When this makefile fragment runs, it will be passed TOPDIR which