drm/amd/display: Drop FPU flags from dcn32 Makefile

This is the final commit from the FPU isolation for DCN32 and for this
reason we can finally remove flags related to FPU.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn32/Makefile

@@ -15,34 +15,6 @@ DCN32 = dcn32_resource.o dcn32_hubbub.o dcn32_hwseq.o dcn32_init.o \
 		dcn32_dio_stream_encoder.o dcn32_dio_link_encoder.o dcn32_hpo_dp_link_encoder.o \
 		dcn32_resource_helpers.o dcn32_mpc.o
 
-ifdef CONFIG_X86
-dcn32_ccflags := -mhard-float -msse
-endif
-
-ifdef CONFIG_PPC64
-dcn32_ccflags := -mhard-float -maltivec
-endif
-
-ifdef CONFIG_CC_IS_GCC
-ifeq ($(call cc-ifversion, -lt, 0701, y), y)
-IS_OLD_GCC = 1
-endif
-endif
-
-ifdef CONFIG_X86
-ifdef IS_OLD_GCC
-# Stack alignment mismatch, proceed with caution.
-# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
-# (8B stack alignment).
-dcn32_ccflags += -mpreferred-stack-boundary=4
-else
-dcn32_ccflags += -msse2
-endif
-endif
-
-CFLAGS_$(AMDDALPATH)/dc/dcn32/dcn32_resource_helpers.o := $(dcn32_ccflags)
-CFLAGS_$(AMDDALPATH)/dc/dcn32/dcn32_resource.o := $(dcn32_ccflags)
-
 AMD_DAL_DCN32 = $(addprefix $(AMDDALPATH)/dc/dcn32/,$(DCN32))
 
 AMD_DISPLAY_FILES += $(AMD_DAL_DCN32)