drm/amd/display: Add DCN3 to Kconfig

Signed-off-by: NBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/Kconfig

@@ -17,6 +17,14 @@ config DRM_AMD_DC_DCN
 	help
 	  Raven, Navi and Renoir family support for display engine
 
+config DRM_AMD_DC_DCN3_0
+        bool "DCN 3.0 family"
+        depends on DRM_AMD_DC && X86
+        depends on DRM_AMD_DC_DCN
+        help
+            Choose this option if you want to have
+            sienna_cichlid support for display engine
+
 config DRM_AMD_DC_HDCP
 	bool "Enable HDCP support in DC"
 	depends on DRM_AMD_DC