Add parameter errp to memory_region_init_ram and update all call sites
to pass in &error_abort.
Signed-off-by: NHu Tao <hutao@cn.fujitsu.com>
Reviewed-by: NPeter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>