drm/amd/display: Refactor DCN401 DCCG into component directory

[WHY]
Clean up the code that requires dccg to be in its own component.

[HOW]
Move all files under newly created dccg dir and fix the makefiles.

Acked-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Revalla Hari Krishna <Harikrishna.Revalla@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dccg/Makefile

@@ -95,4 +95,9 @@ AMD_DAL_DCCG_DCN35 = $(addprefix $(AMDDALPATH)/dc/dccg/dcn35/,$(DCCG_DCN35))
 AMD_DISPLAY_FILES += $(AMD_DAL_DCCG_DCN35)
 
 ###############################################################################
-endif
+DCCG_DCN401 = dcn401_dccg.o
+
+AMD_DAL_DCCG_DCN401 = $(addprefix $(AMDDALPATH)/dc/dccg/dcn401/,$(DCCG_DCN401))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_DCCG_DCN401)
+endif

drivers/gpu/drm/amd/display/dc/dcn401/Makefile

@@ -6,7 +6,6 @@ DCN401 += dcn401_dio_link_encoder.o
 DCN401 += dcn401_dio_stream_encoder.o
 DCN401 += dcn401_hubp.o
 DCN401 += dcn401_mpc.o
-DCN401 += dcn401_dccg.o
 DCN401 += dcn401_hubbub.o
 
 AMD_DAL_DCN401 = $(addprefix $(AMDDALPATH)/dc/dcn401/,$(DCN401))