uboot-phytec

Merge tag '20191217-for-next' of https://gitlab.denx.de/u-boot/custodians/u-boot-i2c into next

i2c: for next
- misc: i2c_eeprom:
  Add partition support and add ability to query size
  of eeprom device and partitions
- i2c common:
  add support for offset overflow in to address and add
  sandbox tests for it.