The IoT card eeprom input YAML files have been updated based on review
feedback.
 * number the GPIOs from 1-4 instead of 0-3
 * unused GPIOs are configured as input with pull-up instead of input
   floating
 * vendor name changed to "Talon Communications"
 * serial numbers have been set to an empty string
 * miscellaneous corrections to properties such as card height