1. Fix !include issues
2. Fix Trim to skip the postfix 'U' for hexadecimal and decimal numbers
3. Fix building error C2733 when building C++ code.
4. Add GCC46 tool chain definition
5. Add new RVCT and RVCTLINUX tool chains
Signed-off-by: lgao4
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12782 6f19259b-4bc3-4df7-8a09-765794883524