Add missing __hip_pinned_shadow__ attributes to the texture global vars. (#1866)

[ROCm/hip commit: 56b8b0d80e]

projects/hip/tests/src/texture/hipNormalizedFloatValueTex.cpp

@@ -45,6 +45,9 @@ static float getNormalizedValue(const float value,
     }
 }
 
+#if __HIP__
+__hip_pinned_shadow__
+#endif
 texture<float, hipTextureType1D, hipReadModeElementType> textureNormalizedVal_1D;
 
 __global__ void normalizedValTextureTest(unsigned int numElements, float* pDst)