HV: trusty: Get rpmb_key from OSloader when init trusty

Extend struct trusty_boot_param to hold rpmb_key.
Copy rpmb_key from trusty_boot_param when initialize
trusty.

Signed-off-by: Qi Yadong <yadong.qi@intel.com>
Reviewed-by: Zhu Bing <bing.zhu@intel.com>
Reviewed-by: Wang Kai <kai.z.wang@intel.com>

hypervisor/include/public/acrn_hv_defs.h

@@ -256,6 +256,12 @@ struct trusty_boot_param {
 
 	/** trusty runtime memory size */
 	uint32_t mem_size;
+
+	/** padding */
+	uint32_t padding;
+
+	/** rpmb key */
+	uint8_t rpmb_key[64];
 } __aligned(8);
 
 /**