[U-Boot] [U-Boot, 1/2] efi_loader: run CreateEvent() notify function based on flags

[Alexander Graf]

> The UEFI specification states that the tpl, function and context
> arguments are to be ignored if neither EVT_NOTIFY_WAIT or
> EVT_NOTIFY_SIGNAL are specified.  This matches observed behaviour with
> an AMI EDK2 based UEFI implementation.
> 
> Skip calling the notify function if neither flag is present.
> 
> Signed-off-by: Jonathan Gray <jsg at jsg.id.au>
> Acked-By: Heinrich Schuchardt <xypron.glpk at gmx.de>

Thanks, applied to efi-next

Alex