DuetPkg DxeIpl: Send result of PrintValue to serial port

PrintValue now uses PrintString so its result will be sent to
the serial port in addition to the screen.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10951 6f19259b-4bc3-4df7-8a09-765794883524
1 file changed