SWDEV-322620 - Virtual Memory Management APIs

Adding skeletons.
Implemented:
- hipMemGetAllocationGranularity with basic granularity
- hipMemGetAllocationPropertiesFromHandle
- hipMemCreate

Change-Id: I4bd2c75fae45d6a057efcad19d1d3c9715e9ae67

hipamd/src/amdhip.def

@@ -363,3 +363,17 @@ amd_dbgapi_get_build_name
 amd_dbgapi_get_git_hash
 amd_dbgapi_get_build_id
 hipThreadExchangeStreamCaptureMode
+hipMemAddressFree
+hipMemAddressReserve
+hipMemCreate
+hipMemExportToShareableHandle
+hipMemGetAccess
+hipMemGetAllocationGranularity
+hipMemGetAllocationPropertiesFromHandle
+hipMemImportFromShareableHandle
+hipMemMap
+hipMemMapArrayAsync
+hipMemRelease
+hipMemRetainAllocationHandle
+hipMemSetAccess
+hipMemUnmap