drm/amdgpu: extend HWIP_MAX_INSTANCE to 28

more ip instances are available
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -678,7 +678,7 @@ enum amd_hw_ip_block_type {
 	MAX_HWIP
 };
 
-#define HWIP_MAX_INSTANCE	11
+#define HWIP_MAX_INSTANCE	28
 
 #define HW_ID_MAX		300
 #define IP_VERSION(mj, mn, rv) (((mj) << 16) | ((mn) << 8) | (rv))