[SYCL][P2P] Fix info query for P2P (#15873)

There has been some confusion I think originating in the fact that L0
backend returned bool type instead of int for P2P queries. This issue is
fixed here oneapi-src/unified-runtime#2246

This PR correspondingly updates the dpc++ runtime.

Fixes #15841

---------

Signed-off-by: JackAKirk <[email protected]>

Author: JackAKirk

sycl/source/device.cpp

@@ -234,9 +234,6 @@ bool device::ext_oneapi_can_access_peer(const device &peer,
     return true;
   }
 
-  size_t returnSize = 0;
-  int value = 0;
-
   ur_exp_peer_info_t UrAttr = [&]() {
     switch (attr) {
     case ext::oneapi::peer_access::access_supported:
@@ -248,11 +245,9 @@ bool device::ext_oneapi_can_access_peer(const device &peer,
                           "Unrecognized peer access attribute.");
   }();
   auto Adapter = impl->getAdapter();
+  int value = 0;
   Adapter->call<detail::UrApiKind::urUsmP2PPeerAccessGetInfoExp>(
-      Device, Peer, UrAttr, 0, nullptr, &returnSize);
-
-  Adapter->call<detail::UrApiKind::urUsmP2PPeerAccessGetInfoExp>(
-      Device, Peer, UrAttr, returnSize, &value, nullptr);
+      Device, Peer, UrAttr, sizeof(int), &value, nullptr);
 
   return value == 1;
 }