MdePkg: Update StatusCode Runtime Protocol comments to follow PI spec 1.4a.
MdePkg: Update StatusCode Runtime Protocol comments to follow PI spec 1.4a.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <6480311aeeb4b006862f6d13ebabddc03f51e507@intel.com>
Reviewed-by: Liming Gao <6480311aeeb4b006862f6d13ebabddc03f51e507@intel.com>

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2