drm/admgpu/discovery: add NBIO v7.7 into the IP discovery list

This patch is to add NBIO v7.7 into the IP discovery list.
Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c

@@ -53,6 +53,7 @@
 #include "nbio_v2_3.h"
 #include "nbio_v4_3.h"
 #include "nbio_v7_2.h"
+#include "nbio_v7_7.h"
 #include "hdp_v5_0.h"
 #include "hdp_v6_0.h"
 #include "nv.h"
@@ -2200,6 +2201,10 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev)
 		adev->nbio.funcs = &nbio_v4_3_funcs;
 		adev->nbio.hdp_flush_reg = &nbio_v4_3_hdp_flush_reg;
 		break;
+	case IP_VERSION(7, 7, 0):
+		adev->nbio.funcs = &nbio_v7_7_funcs;
+		adev->nbio.hdp_flush_reg = &nbio_v7_7_hdp_flush_reg;
+		break;
 	default:
 		break;
 	}