drm/amdgpu: increase timeout of IB test

we should give enough time to IB test.
Signed-off-by: NChunming Zhou <David1.Zhou@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -33,7 +33,7 @@
 #include "amdgpu.h"
 #include "atom.h"
 
-#define AMDGPU_IB_TEST_TIMEOUT	msecs_to_jiffies(10)
+#define AMDGPU_IB_TEST_TIMEOUT	msecs_to_jiffies(1000)
 
 /*
  * IB