sdm: Add support to simulate reduced configuration

Add support to simulate reduce plane configuration.

Change-Id: Ic4633668ff255840af3a175a66d553ee017bb27b
CRs-Fixed: 2071452
diff --git a/sdm/include/utils/debug.h b/sdm/include/utils/debug.h
index 6f895c7..2bd6a5a 100644
--- a/sdm/include/utils/debug.h
+++ b/sdm/include/utils/debug.h
@@ -79,6 +79,7 @@
   static bool IsExtAnimDisabled();
   static bool IsPartialSplitDisabled();
   static DisplayError GetMixerResolution(uint32_t *width, uint32_t *height);
+  static DisplayError GetReducedConfig(uint32_t *num_vig_pipes, uint32_t *num_dma_pipes);
   static int GetExtMaxlayers();
   static bool GetProperty(const char *property_name, char *value);
   static bool SetProperty(const char *property_name, const char *value);