Images that can't be loaded with dlopen are
added to SecMain.gdb.
Whenever gdb stops, the hook-stop macro will automatically
load the symbol files.
Signed-off-by: jljusten
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11888 6f19259b-4bc3-4df7-8a09-765794883524