Update input of disasmembler to support IfThen construct. Add prototype dos script to build BeagleBoard.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9936 6f19259b-4bc3-4df7-8a09-765794883524

ArmPkg/Include/Library/ArmDisassemblerLib.h

@@ -25,6 +25,7 @@
   @param  OpCodePtrPtr  Pointer to pointer of ARM Thumb instruction to disassemble.  
   @param  Thumb         TRUE for Thumb(2), FALSE for ARM instruction stream
   @param  Extended      TRUE dump hex for instruction too.
+  @param  ItBlock       Size of IT Block
   @param  Buf           Buffer to sprintf disassembly into.
   @param  Size          Size of Buf in bytes. 
   
@@ -34,6 +35,7 @@ DisassembleInstruction (
   IN  UINT8     **OpCodePtr,
   IN  BOOLEAN   Thumb,
   IN  BOOLEAN   Extended,
+  IN OUT UINT32 *ItBlock,
   OUT CHAR8     *Buf,
   OUT UINTN     Size
   );