During ab8500-core clean-up the Kconfig entry for AB8500_I2C_CORE
was left remnant. This patch simply removes it.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>