drm/amd/display: Fix compiler redefinition warnings for certain configs

[why & how]
Modified definitions of 1 function and 2 structs to remove warnings on
certain specific compiler configurations due to redefinition.

Reviewed-by: Martin Leung <[e-mail]>
Acked-by: Roman Li <[e-mail]>
Signed-off-by: Mounika Adhuri <[e-mail]>
Tested-by: Daniel Wheeler <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c

···
 		return false;
 }
 
-static void build_prescale_params(struct ipp_prescale_params *prescale_params,
+static void dce110_prescale_params(struct ipp_prescale_params *prescale_params,
 		const struct dc_plane_state *plane_state)
 {
 	prescale_params->mode = IPP_PRESCALE_MODE_FIXED_UNSIGNED;
···
 
 	tf = &plane_state->in_transfer_func;
 
-	build_prescale_params(&prescale_params, plane_state);
+	dce110_prescale_params(&prescale_params, plane_state);
 	ipp->funcs->ipp_program_prescale(ipp, &prescale_params);
 
 	if (!plane_state->gamma_correction.is_identity &&

drivers/gpu/drm/amd/display/include/grph_object_id.h

···
 
 struct graphics_object_id {
 	uint32_t  id:8;
-	uint32_t  enum_id:4;
-	uint32_t  type:4;
+	enum object_enum_id  enum_id;
+	enum object_type  type;
 	uint32_t  reserved:16; /* for padding. total size should be u32 */
 };