phb3: Set CAPI mode for both CAPP units on Naples
phb3: Set CAPI mode for both CAPP units on Naples

Naples has two capp units. In phb3_init_capp_regs and phb3_set_capi_mode,
call PHB3_CAPP_REG_OFFSET(p) to get the xscom register address offset,
and operate on the right capp unit.

Signed-off-by: Philippe Bergheaud <9c69098d379350e157eff4ad93150662007b8fb2@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.vnet.ibm.com>

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