meta-fii: meta-kudo: Use I2C array definitions in kudo-lib.sh

Adds the I2C bus and address in array form to kudo-lib.sh, and
replaces the hardcoded values with references across Kudo layer.

Signed-off-by: Charles Boyer <Charles.Boyer@fii-usa.com>
Change-Id: I69bbff444e013e61d7f7fd5051612a6d4adc8ded