drm/amd/display: Don't guard x86 in Makefile

make-kpkg doesn't seem to like it

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -3,11 +3,9 @@
 # It calculates Bandwidth and Watermarks values for HW programming
 #
 
-ifeq ($(ARCH),x86)
 CFLAGS_dcn_calcs.o := -mhard-float -msse -mpreferred-stack-boundary=4
 CFLAGS_dcn_calc_auto.o := -mhard-float -msse -mpreferred-stack-boundary=4
 CFLAGS_dcn_calc_math.o := -mhard-float -msse -mpreferred-stack-boundary=4
-endif
 
 BW_CALCS = dce_calcs.o bw_fixed.o custom_float.o