DM: Add simulated RPMB support

Create file as simulated RPMB storage for pre-production usage.
Add RPMB APIs to emulate behavior of physical RPMB controllor.

Signed-off-by: Huang Yang <yang.huang@intel.com>
Signed-off-by: Du Min <minx.du@intel.com>
Acked-by: Zhu Bing <bing.zhu@intel.com>

Author: yang8621

devicemodel/Makefile

@@ -81,6 +81,7 @@ SRCS += hw/pci/virtio/virtio_rnd.c
 SRCS += hw/pci/virtio/virtio_hyper_dmabuf.c
 SRCS += hw/pci/virtio/virtio_heci.c
 SRCS += hw/pci/virtio/virtio_rpmb.c
+SRCS += hw/pci/virtio/rpmb_sim.c
 SRCS += hw/pci/irq.c
 SRCS += hw/pci/uart.c
 SRCS += hw/pci/gvt.c