drm/amd/display: Add previously missing includes

Add includes that were previously missing to reduce the number of
-Wmissing-prototypes warnings.
Signed-off-by: Arthur Grillo <arthurgrillo@riseup.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c

@@ -30,6 +30,7 @@
 #include "dcn30/dcn30_hwseq.h"
 #include "dcn31/dcn31_hwseq.h"
 #include "dcn32_hwseq.h"
+#include "dcn32_init.h"
 
 static const struct hw_sequencer_funcs dcn32_funcs = {
 	.program_gamut_remap = dcn10_program_gamut_remap,

drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_trace.c

@@ -24,6 +24,7 @@
  */
 #include "link_dp_trace.h"
 #include "link/protocols/link_dpcd.h"
+#include "link.h"
 
 void dp_trace_init(struct dc_link *link)
 {