drm/amdgpu: move CS secure flag next the structs where it's used

So it's not mixed up with the CTX stuff.

Reviewed-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

include/uapi/drm/amdgpu_drm.h

@@ -205,9 +205,6 @@ union drm_amdgpu_bo_list {
 #define AMDGPU_CTX_OP_QUERY_STATE	3
 #define AMDGPU_CTX_OP_QUERY_STATE2	4
 
-/* Flag the command submission as secure */
-#define AMDGPU_CS_FLAGS_SECURE          (1 << 0)
-
 /* GPU reset status */
 #define AMDGPU_CTX_NO_RESET		0
 /* this the context caused it */
@@ -561,6 +558,9 @@ struct drm_amdgpu_cs_chunk {
 	__u64		chunk_data;
 };
 
+/* Flag the command submission as secure */
+#define AMDGPU_CS_FLAGS_SECURE          (1 << 0)
+
 struct drm_amdgpu_cs_in {
 	/** Rendering context id */
 	__u32		ctx_id;