SWDEV-325711: Add userobject functions for graph

- add user obj APIs for creating release and retain of user onbjects

Signed-off-by: sdashmiz <shadi.dashmiz@amd.com>
Change-Id: I0bf2999c77e44269565b27c31c7c1461f8a160a2

hipamd/src/amdhip.def

@@ -427,3 +427,9 @@ hipMemcpy2DFromArrayAsync_spt
 hipMemcpy2DToArrayAsync_spt
 hipDrvGetErrorName
 hipDrvGetErrorString
+hipUserObjectCreate
+hipUserObjectRelease
+hipUserObjectRetain
+hipGraphRetainUserObject
+hipGraphReleaseUserObject
+