commandline: Add --uptimeinfo

[JohnAZoidberg]

To see when the EC and APU has reset, how often and why.

> sudo framework_tool --uptimeinfo
EC Uptime
  Time since EC Boot:      71h 06m 12s
  AP Resets since EC Boot: 2
  EC Reset Flags
    PowerOn
    Hibernate
  Recent AP Resets
      Reset Time:          64h 34m 11s
            Cause:         ShutdownG3
      Reset Time:          65h 04m 05s
            Cause:         ShtdownThermal

[JohnAZoidberg]

Verified that ectool prints the same data:

> sudo framework_tool --uptimeinfo
EC Uptime
  Time since EC Boot:      18h 19m 59s
  AP Resets since EC Boot: 0
  EC Reset Flags
    PowerOn
    Hibernate
  Recent AP Resets

> sudo LD_LIBRARY_PATH=. ./ectool uptimeinfo
EC uptime: 65992.547 seconds
AP resets since EC boot: 0
Most recent AP reset causes:
EC reset flags at last EC boot: power-on | hibernate