6a87199474
1. Remove hipDeviceAttributePageableMemoryAccess checking as it is used to check xnack+ rather than fine-grained synchronization.
Note: hipHostMalloc() will alloc memory with fine-grained access and atomic by default when env HIP_HOST_COHERENT=1. For more information, see hip_programming_guide.
2. Fix some other bugs.
Change-Id: Ieaaed1b15b4d258193d834104b17d9f03a9e4781
[ROCm/hip commit: 15517aaf18]