Renable frexp(f) device math function

Change-Id: I53c022b8ddf38cd17ddb42eba457b9020db66395


[ROCm/clr commit: 1bd1c6bea8]

projects/clr/hipamd/tests/src/deviceLib/hipDoublePrecisionMathDevice.cpp

@@ -69,7 +69,7 @@ __device__ void double_precision_math_functions()
     fmax(0.0, 0.0);
     fmin(0.0, 0.0);
     fmod(0.0, 1.0);
-//    frexp(0.0, &iX);
+    frexp(0.0, &iX);
     hypot(1.0, 0.0);
     ilogb(1.0);
     isfinite(0.0);