drm/amd/amdgpu: Add APU flag to gca_config debugfs data (v3)

Needed by umr to detect if ip discovered ASIC is an APU or not.

(v2): Remove asic type from packet it's not strictly needed
(v3): Correct comment
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -728,7 +728,7 @@ static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
 		return -ENOMEM;
 
 	/* version, increment each time something is added */
-	config[no_regs++] = 3;
+	config[no_regs++] = 4;
 	config[no_regs++] = adev->gfx.config.max_shader_engines;
 	config[no_regs++] = adev->gfx.config.max_tile_pipes;
 	config[no_regs++] = adev->gfx.config.max_cu_per_sh;
@@ -768,6 +768,9 @@ static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
 	config[no_regs++] = adev->pdev->subsystem_device;
 	config[no_regs++] = adev->pdev->subsystem_vendor;
 
+	/* rev==4 APU flag */
+	config[no_regs++] = adev->flags & AMD_IS_APU ? 1 : 0;
+
 	while (size && (*pos < no_regs * 4)) {
 		uint32_t value;