sdm: Define HW HDR EOTF values

Define HDR EOTF (Electro Optical Transfer Function) values in SDM.

CRs-Fixed: 2157996
Change-Id: Idf726c5028921a6f8a3ba978ff2db1a380f0f726
diff --git a/sdm/include/private/hw_info_types.h b/sdm/include/private/hw_info_types.h
index 5d311d9..52bc73e 100644
--- a/sdm/include/private/hw_info_types.h
+++ b/sdm/include/private/hw_info_types.h
@@ -123,6 +123,13 @@
   kPPSplit,
 };
 
+enum HwHdrEotf {
+  kHdrEOTFInvalid = 0,
+  kHdrEOTFSDR = 0x1,
+  kHdrEOTFHdrLumRange = 0x2,
+  kHdrEOTFHDR10 = 0x4,
+  kHdrEOTFHLG = 0x8,
+};
 
 typedef std::map<HWSubBlockType, std::vector<LayerBufferFormat>> FormatsMap;
 typedef std::map<LayerBufferFormat, float> CompRatioMap;