core/test: Test compatible, chip id and phandle related DT functions
core/test: Test compatible, chip id and phandle related DT functions

Signed-off-by: Daniel Axtens <cf1af486034ab0119a20f38a060e40da25f4cea3@axtens.net>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.vnet.ibm.com>

csmart/skiboot,qemu/skiboot,jk-ozlabs/skiboot,legoater/skiboot,cyrilbur-ibm/skiboot,csmart/skiboot,legoater/skiboot,mikey/skiboot,jk-ozlabs/skiboot,cyrilbur-ibm/skiboot,ddstreet/skiboot,qemu/skiboot,cyrilbur-ibm/skiboot,jk-ozlabs/skiboot,ddstreet/skiboot,open-power/skiboot,mikey/skiboot,shenki/skiboot,legoater/skiboot,legoater/skiboot,open-power/skiboot,open-power/skiboot,qemu/skiboot,shenki/skiboot,open-power/skiboot,shenki/skiboot,qemu/skiboot,legoater/skiboot,shenki/skiboot,ddstreet/skiboot,mikey/skiboot,stewart-ibm/skiboot,apopple/skiboot,qemu/skiboot,csmart/skiboot,shenki/skiboot,apopple/skiboot,apopple/skiboot,stewart-ibm/skiboot,open-power/skiboot,stewart-ibm/skiboot