drm/amdgpu: increase DISCOVERY_TMR_SIZE

New ip_discovery binary size is increased.
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -24,7 +24,7 @@
 #ifndef __AMDGPU_DISCOVERY__
 #define __AMDGPU_DISCOVERY__
 
-#define DISCOVERY_TMR_SIZE      (4 << 10)
+#define DISCOVERY_TMR_SIZE      (8 << 10)
 #define DISCOVERY_TMR_OFFSET    (64 << 10)
 
 void amdgpu_discovery_fini(struct amdgpu_device *adev);