fixes HIP-CPU synchronization for GPU_ASYNC_COPY #219

Job	Run time
Check file changes	20s
Test on ubuntu-latest	3m 59s
Test Intel on ubuntu-22.04	18m 14s
Test on Mac	7m 55s
Test on ubuntu-22.04	2m 35s
Test 1 - regional_Greece_small debug	1m 59s
Test 0 - make tests	10m 14s
Test 10 - regional_Greece_small_LDDRK kernel ADIOS2	10m 47s
Test 11 - regional_Greece_small hdf5 i/o	4m 2s
Test 2 - regional_Greece_small	3m 36s
Test 3 - regional_sgloberani	3m 47s
Test 4 - point_force	4m 22s
Test 5 - moon_global	5m 10s
Test 6 - mars_regional	3m 18s
Test 7 - global_small	5m 2s
Test 8 - global_small w/ FULL_GRAVITY netCDF	10m 40s
Test 9 - global_small w/ FULL_GRAVITY PETSc	5m 35s
	1h 41m 35s

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