This patch is not related directly to REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1323 Merge EmuVariable and Real variable driver. PcdEmuVariableNvStoreReserved actually defines the base address of reserved memory range. This patch refines description a little for PcdEmuVariableNvStoreReserved. Suggested-by: Jian J Wang <jian.j.wang@intel.com> Cc: Jian J Wang <jian.j.wang@intel.com> Cc: Hao Wu <hao.a.wu@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com> Reviewed-by: Hao Wu <hao.a.wu@intel.com> Tested-by: Julien Grall <julien.grall@arm.com> Acked-by: Julien Grall <julien.grall@arm.com>