Revert "core/init: Add device tree fixup for the i2c base address"
Revert "core/init: Add device tree fixup for the i2c base address"

This reverts commit cdaf6b5b313c4ea5e0cdcc299a6890817f6b02c1.

This hard codes Tuleta implementation details in the generic code...

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