[U-Boot] efi_loader: Fix network DP with DM_ETH

[Alexander Graf]

> When CONFIG_DM_ETH is set, we assemble the device path properly with a
> full device hierarchy. Our helper function dp_fill() even put the MAC
> node itself in it for us.
> 
> However, for non-DM compatibility we also have code in that added the
> MAC node manually. That code now runs on top of the existing MAC node:
> 
>   Handle 0x3db2f6b0
>     /HardwareVendor(e61d73b9-a384-4acc-aeab-82e828f3628b)[0: ]
>     /USBClass(0,0,9,0,0)/USBClass(424,9514,9,0,2)/MacAddr(b8:27:eb:e1:81:47,1)
>     /MacAddr(b8:27:eb:e1:81:47,57)/EndEntire
> 
> We obviously don't need the additional node and in fact, grub chokes on
> it and fails to match the DP against the ethernet device node. So this
> patch moves the additional MAC node into the non-DM code path:
> 
>   Handle 0x3db3fde0
>     /HardwareVendor(e61d73b9-a384-4acc-aeab-82e828f3628b)[0: ]
>     /USBClass(0,0,9,0,0)/USBClass(424,9514,9,0,2)/MacAddr(b8:27:eb:e1:81:47,1)
>     /EndEntire
> 
> While at it, we also mark the non-DM MAC node as ethernet.
> 
> Fixes: b66c60dde9d ("efi_loader: add device-path utils")
> Signed-off-by: Alexander Graf <agraf at suse.de>

Thanks, applied to efi-next

Alex