Most distros package it as libfdt, and mentioning libfdt here makes it
much easier to find the package you're missing.
Signed-off-by: NStewart Smith <stewart@linux.vnet.ibm.com>
Reviewed-by: NStefan Weil <sw@weilnetz.de>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>