docs: misc: amd-sbi: Document SBTSI userspace interface

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- Document AMD sideband IOCTL description defined
  for SBTSI and its usage.
  User space C-APIs are made available by esmi_oob_library [1],
  which is provided by the E-SMS project [2].

  Link: https://github.com/amd/esmi_oob_library [1]
  Link: https://www.amd.com/en/developer/e-sms.html [2]

Include a user-space open example for /dev/sbtsi-* and list auxiliary
bus sysfs paths.

Reviewed-by: Akshay Gupta <Akshay.Gupta@amd.com>
Signed-off-by: Prathima <Prathima.Lk@amd.com>
Link: https://github.com/amd/esmi_oob_library [1]
Link: https://www.amd.com/en/developer/e-sms.html [2]
Link: https://patch.msgid.link/20260710111642.850022-9-Akshay.Gupta@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Prathima 2026-07-10 16:46:42 +05:30 • committed by Greg Kroah-Hartman

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Documentation/misc-devices/amd-sbi.rst

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