[PATCH] riscv: boot: remove duplicated targets line

[Emil Renner Berthing]

Jisheng Zhang wrote:
> The "targets:" is duplicated in another line, remove the one with less
> targets.
>
> Signed-off-by: Jisheng Zhang <jszhang at kernel.org>

Thanks,

Reviewed-by: Emil Renner Berthing <emil.renner.berthing at canonical.com>