sparse: various SPIRA structures, declare them.
sparse: various SPIRA structures, declare them.

hdata/spira.c:42:49: warning: symbol 'proc_init_data' was not declared. Should it be static?
hdata/spira.c:51:49: warning: symbol 'cpu_ctl_spat_area' was not declared. Should it be static?
hdata/spira.c:54:49: warning: symbol 'cpu_ctl_hsr_area' was not declared. Should it be static?
hdata/spira.c:56:53: warning: symbol 'cpu_ctl_init_data' was not declared. Should it be static?
hdata/spira.c:92:48: warning: symbol 'init_mdst_table' was not declared. Should it be static?

Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.ibm.com>
Signed-off-by: Oliver O'Halloran <3dfaff8fa6ae977f042064a112a6aac576279b9b@gmail.com>

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