unused libs, fixup

libconfig/src/bootgen.rs

@@ -1,5 +1,5 @@
 use alloc::vec::Vec;
-use fatfs::{self, IoBase, Read, Seek, SeekFrom};
+use fatfs::{self, Read, Seek, SeekFrom};
 use libboard_zynq::devc;
 use crate::sd_reader;
 use crate::File;

libconfig/src/lib.rs

@@ -4,7 +4,7 @@ extern crate alloc;
 use alloc::{rc::Rc, string::FromUtf8Error, string::String, vec::Vec};
 use sd_reader::SdReader;
 use core::fmt;
-use fatfs::{self, IoBase, Read, Seek, SeekFrom, Write};
+use fatfs::{self, Read, Seek, SeekFrom, Write};
 use libboard_zynq::sdio;
 
 pub mod bootgen;

szl/src/main.rs

@@ -8,7 +8,6 @@ mod netboot;
 
 use alloc::rc::Rc;
 use core::mem;
-use fatfs::{self, DefaultTimeProvider, LossyOemCpConverter, Read, Seek};
 use libboard_zynq::{
     self as zynq,
     clocks::source::{ArmPll, ClockSource, IoPll},

szl/src/netboot.rs

@@ -1,7 +1,6 @@
 use alloc::vec;
 use alloc::vec::Vec;
 use byteorder::{ByteOrder, NetworkEndian};
-use fatfs::{Read, Seek};
 use libboard_zynq::{
     devc,
     eth::Eth,