gpu: nvgpu: add golden_img_loaded flag to gr ctx desc

The patch adds the boolean flag 'golden_img_loaded'
to gr ctx desc. This is needed for refactoring the ctx
initialization.

Change-Id: I6d6df273e764a4cd06d062d59427dd33f4669778
Signed-off-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1617174
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

drivers/gpu/nvgpu/gk20a/gr_gk20a.h

@@ -449,6 +449,7 @@ struct gr_ctx_desc {
 #ifdef CONFIG_TEGRA_GR_VIRTUALIZATION
 	u64 virt_ctx;
 #endif
+	bool golden_img_loaded;
 };
 
 struct ctx_header_desc {