Pull i2c fixes from Wolfram Sang:
 "A bunch of driver bugfixes and a MAINTAINERS addition"

* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  MAINTAINERS: add entry for STM32 I2C driver
  i2c: viperboard: return message count on master_xfer success
  i2c: pmcmsp: fix error return from master_xfer
  i2c: pmcmsp: return message count on master_xfer success
  i2c: designware: fix poll-after-enable regression
  eeprom: at24: fix retrieving the at24_chip_data structure
  i2c: core: ACPI: Log device not acking errors at dbg loglevel
  i2c: core: ACPI: Improve OpRegion read errors