intel: Fix GTT entry setup for aub dump

On recent emulator GTT entry setup for aub dump needs mem type as
GTT_ENTRY instead of NONLOCAL. NONLOCAL would write data in main
memory space which is wrong with new memory layout. GTT_ENTRY write
would setup GTT memory pool and other required internal buffers. With
this I can run aub dump on latest release without crash.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>