amdgpu: add ce_ram_size for interface query

Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 94fc647..302f1dc 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -520,6 +520,8 @@
 	uint32_t vram_type;
 	/* video memory bit width*/
 	uint32_t vram_bit_width;
+	/** constant engine ram size*/
+	uint32_t ce_ram_size;
 };