Sync patch r14678 from main trunk.
Export one interface to support 3rd party to change question attribute, such as hide/gray out.


git-svn-id: svn://svn.code.sf.net/p/edk2/code/branches/UDK2010.SR1/MdeModulePkg@14684 6f19259b-4bc3-4df7-8a09-765794883524
Sync patch r14672 from main trunk.
Create PCDs in MdeModulePkg for ACPI table OEM_ID/OEM_TABLE_ID/OEM_REVISION/CREATOR_ID/CREATOR_REVISION customization.


git-svn-id: svn://svn.code.sf.net/p/edk2/code/branches/UDK2010.SR1/MdeModulePkg@14685 6f19259b-4bc3-4df7-8a09-765794883524