[U-Boot] [U-Boot, v3, 4/9] usb: rockchip: implement K_FW_LBA_READ_10 command

[Philipp Tomsich]

> This patch implement reading blocks form selected device with
> LBA addressing.
> 
> Corresponding command on workstation is:
> rkdeveloptool rl <start_blk> <blk_cnt> <file>
> 
> While we support reading more than one blocks per K_FW_LBA_READ_10
> request, rkdeveloptool and original rockchip tool do perform
> chunk reads limiting the maximum size per chunk far lower
> than max int values.
> 
> Signed-off-by: Alberto Panizzo <alberto at amarulasolutions.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> ---
>  arch/arm/include/asm/arch-rockchip/f_rockusb.h |   3 +
>  doc/README.rockusb                             |   1 +
>  drivers/usb/gadget/f_rockusb.c                 | 104 ++++++++++++++++++++++++-
>  3 files changed, 107 insertions(+), 1 deletion(-)
> 

Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>