drm/amd/display: Add DC config flag for Raven2 (v2)

Add DRM_AMD_DC_DCN1_01 config flag for Raven2

v2: Make DC select DRM_AMD_DC_DCN1_01 (Alex)
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/Kconfig

@@ -5,6 +5,7 @@ config DRM_AMD_DC
 	bool "AMD DC - Enable new display engine"
 	default y
 	select DRM_AMD_DC_DCN1_0 if X86 && !(KCOV_INSTRUMENT_ALL && KCOV_ENABLE_COMPARISONS)
+	select DRM_AMD_DC_DCN1_01 if X86 && !(KCOV_INSTRUMENT_ALL && KCOV_ENABLE_COMPARISONS)
 	help
 	  Choose this option if you want to use the new display engine
 	  support for AMDGPU. This adds required support for Vega and
@@ -15,6 +16,11 @@ config DRM_AMD_DC_DCN1_0
 	help
 	  RV family support for display engine
 
+config DRM_AMD_DC_DCN1_01
+	def_bool n
+	help
+	  RV2 family for display engine
+
 config DEBUG_KERNEL_DC
 	bool "Enable kgdb break in DC"
 	depends on DRM_AMD_DC