MdeModulePkg/StatusCodeHandler: do not output \n\r for string data

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2787

When output string data through serial port, will not ouput \n\r now.
Caller can output several data in one line, and output \n\r when needed.

Signed-off-by: Ming Tan <ming.tan@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
3 files changed