MdeModulePkg SmbiosMeasurementDxe: Skip measurement for OEM type

MdeModulePkg SmbiosMeasurementDxe: Skip measurement for OEM type

The generic driver has no way to know whether an OEM type should
be filtered or not.
This patch is to update the code to skip measurement for OEM type
and platform code can measure it by self if required.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Chasel Chiu <chasel.chiu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Chasel Chiu <chasel.chiu@intel.com>