MdeModulePkg/TerminalDxe: Enhance the arrow keys support

MdeModulePkg/TerminalDxe: Enhance the arrow keys support

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2219

First previous patch remove the VT100Plus's arrow keys' support.
Add it back.

The arrow keys would send ESC [A through to ESC [D. Add this
support for the new introduced terminal type.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>