1) No API change from old version.
2) Change MACRO:
#define MTRR_NUMBER_OF_VARIABLE_MTRR 32 // the semantics are changed from NUMBER to MAX_NUMBER.
#define FIRMWARE_VARIABLE_MTRR_NUMBER 6 // wrong and deprecated
#define MTRR_LIB_IA32_VARIABLE_MTRR_END 0x20F // wrong and deprecated
#define RESERVED_FIRMWARE_VARIABLE_MTRR_NUMBER 2 // add new one.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9941 6f19259b-4bc3-4df7-8a09-765794883524