drm/amd/display: Drop config guard for DC_LOG_DP2

[Why & How]
It doesn't make sense to guard DC_LOG_DP2 by CONFIG_DRM_AMD_DCN, and
this also caused build failure for allmodconfig; So drop the guard
to fix the compile failure;
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -72,9 +72,7 @@
 #define DC_LOG_DSC(...) DRM_DEBUG_KMS(__VA_ARGS__)
 #define DC_LOG_SMU(...) pr_debug("[SMU_MSG]:"__VA_ARGS__)
 #define DC_LOG_DWB(...) DRM_DEBUG_KMS(__VA_ARGS__)
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 #define DC_LOG_DP2(...) DRM_DEBUG_KMS(__VA_ARGS__)
-#endif
 
 struct dal_logger;
 
@@ -126,9 +124,7 @@ enum dc_log_type {
 	LOG_MAX_HW_POINTS,
 	LOG_ALL_TF_CHANNELS,
 	LOG_SAMPLE_1DLUT,
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	LOG_DP2,
-#endif
 	LOG_SECTION_TOTAL_COUNT
 };