hdat: Add new fields to proc_init_data structure
hdat: Add new fields to proc_init_data structure

Latest spec added two new fields to proc_init_data structure.
I don't think we have to pass any data in these new fields.

Signed-off-by: Vasant Hegde <a6d753843573f7bfed5075c1e875b0be8007a0ab@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.vnet.ibm.com>

open-power/skiboot,shenki/skiboot,stewart-ibm/skiboot,qemu/skiboot,open-power/skiboot,legoater/skiboot,shenki/skiboot,mikey/skiboot,legoater/skiboot,mikey/skiboot,mikey/skiboot,stewart-ibm/skiboot,shenki/skiboot,legoater/skiboot,stewart-ibm/skiboot,open-power/skiboot,shenki/skiboot,qemu/skiboot,open-power/skiboot,legoater/skiboot,qemu/skiboot,open-power/skiboot,qemu/skiboot,shenki/skiboot,qemu/skiboot,legoater/skiboot