HDRenderPipeline: fix naming of _DepthPyramidTexture => _PyramidDepthTexture

ScriptableRenderPipeline/HDRenderPipeline/HDRP/HDRenderPipeline.cs

             };
 
             m_DepthPyramidKernel = m_DepthPyramidCS.FindKernel("KMain");
-            m_DepthPyramidBuffer = HDShaderIDs._DepthPyramidTexture;
+            m_DepthPyramidBuffer = HDShaderIDs._PyramidDepthTexture;
             m_DepthPyramidBufferRT = new RenderTargetIdentifier(m_DepthPyramidBuffer);
             m_DepthPyramidBufferDesc = new RenderTextureDescriptor(2, 2, RenderTextureFormat.RFloat, 0)
             {
 
                 PushFullScreenDebugDepthMip(cmd, m_DepthPyramidBufferRT, lodCount, m_DepthPyramidBufferDesc, hdCamera, debugMode);
 
-                cmd.SetGlobalTexture(HDShaderIDs._DepthPyramidTexture, m_DepthPyramidBuffer);
+                cmd.SetGlobalTexture(HDShaderIDs._PyramidDepthTexture, m_DepthPyramidBuffer);
 
                 for (int i = 0; i < lodCount + 1; i++)
                     cmd.ReleaseTemporaryRT(HDShaderIDs._DepthPyramidMips[i]);

ScriptableRenderPipeline/HDRenderPipeline/HDRP/HDStringConstants.cs

         public static readonly int _ShadowMaskTexture = Shader.PropertyToID("_ShadowMaskTexture");
         public static readonly int _DistortionTexture = Shader.PropertyToID("_DistortionTexture");
         public static readonly int _GaussianPyramidColorTexture = Shader.PropertyToID("_GaussianPyramidColorTexture");
-        public static readonly int _DepthPyramidTexture = Shader.PropertyToID("_PyramidDepthTexture");
+        public static readonly int _PyramidDepthTexture = Shader.PropertyToID("_PyramidDepthTexture");
         public static readonly int _GaussianPyramidColorMipSize = Shader.PropertyToID("_GaussianPyramidColorMipSize");
         public static readonly int[] _GaussianPyramidColorMips =
         {