SWDEV-425248 - numerous bug fixes.

Set flag with hipCtxCreate so that get flags works.
Validate hipHostGetDevicePointer for flags!=0.
Validate mem cpy kind and accommodate new type hipMemcpyDeviceToDeviceNoCU.
Match error code for hipGetChannelDesc.

Change-Id: If09a635ac01bc53f1fe2b7df3f3f9c1b0d69a0ab

hipamd/src/hip_context.cpp

@@ -159,6 +159,7 @@ hipError_t hipCtxCreate(hipCtx_t *ctx, unsigned int flags,  hipDevice_t device)
 
   // Increment ref count for device primary context
   g_devices[device]->retain();
+  g_devices[device]->setFlags(flags);
   tls.ctxt_stack_.push(g_devices[device]);
 
   HIP_RETURN(hipSuccess);