[RTEMS Project] #4708: Add i2c command

[RTEMS trac]

#4708: Add i2c command
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 Reporter:  Chris Johns  |       Owner:  Chris Johns
     Type:  defect       |      Status:  assigned
 Priority:  normal       |   Milestone:  6.1
Component:  dev/i2c      |     Version:  6
 Severity:  normal       |  Resolution:
 Keywords:               |  Blocked By:
 Blocking:               |
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Comment (by Chris Johns):

 Note: The `i2cdetect` does not work on Versal with timeout and side
 effects and the `i2cset` and i2cget` have addressing.

 This command is a single command to handle a number of buses in a single
 command where multiple commands can be listed on a single command line
 allow transaction type operations. For example managing multiplexer bus
 expanders.

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Ticket URL: <http://devel.rtems.org/ticket/4708#comment:1>
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