[PATCH kexec-tools] i386: pass rng seed via setup_data

[Simon Horman]

On Mon, Jul 11, 2022 at 05:41:10PM +0200, Jason A. Donenfeld wrote:
> Linux ≥5.20 expects a RNG seed via setup_data as of the upstream commit
> in the link below. That commit adjusts kexec_file_load to pass
> SETUP_RNG_SEED. kexec-tools should follow suite, so add more or less the
> same code here.
> 
> Link: https://git.kernel.org/tip/tip/c/68b8e9713c8
> Signed-off-by: Jason A. Donenfeld <Jason at zx2c4.com>

Thanks, applied.