Added AMT documentation.

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+AMT info
+========
+
+Currently used on the "huxelrebeX" Lenovo machines.
+
+Access to BIOS/AMT screens
+--------------------------
+
+From the console at boot time, hit enter during boot to get the
+BIOS/boot screen, then:
+  For BIOS, hit the F1 key.
+  For the AMT, type in ctrl-P.
+
+From remote:
+
+  BIOS access is done from VNC via the normal reboot cycle and
+  performing the above Enter/F1 sequence. The VNC password was set via
+  a wsman command below (whatever values was given for RFB_PASSWORD).
+
+  AMT access is done via web access to:
+    http://<machine-IP>:16882/
+    login ID default is: admin
+  Note: connection from the machine in question may not work.
+
+AMT configuration via wsman
+---------------------------
+
+The sequence of wsman commands to enable KVM (via VNC) access
+were gotten from:
+http://blog.yarda.eu/2012/09/intel-amt-quickstart-guide.html
+
+A quick summary is:
+
+Fill in info:
+  AMT_HOST - Host IP (ssh port redirection works here)
+  AMT_PASSWORD - AMT access password from AMT setup
+
+Set the VNC access password:
+
+  wsman put \
+  http://intel.com/wbem/wscim/1/ips-schema/1/IPS_KVMRedirectionSettingData \
+  -h AMT_HOST -P 16992 -u admin -p AMT_PASSWORD -k RFBPassword=RFB_PASSWORD
+
+where RFB_PASSWORD is the VNC access password and must be 8 chars including
+upper- and lower-case letters, numbers and special characters.
+
+Enable KVM redirection to port 5900:
+
+  wsman put \
+  http://intel.com/wbem/wscim/1/ips-schema/1/IPS_KVMRedirectionSettingData \
+  -h AMT_HOST -P 16992 -u admin -p AMT_PASSWORD -k Is5900PortEnabled=true
+
+Enable the KVM:
+
+  wsman invoke -a RequestStateChange \
+  http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_KVMRedirectionSAP \
+  -h AMT_HOST -P 16992 -u admin -p AMT_PASSWORD -k RequestedState=2
+
+Disable opt-in policy by:
+
+  wsman put \
+  http://intel.com/wbem/wscim/1/ips-schema/1/IPS_KVMRedirectionSettingData \
+  -h AMT_HOST -P 16992 -u admin -p AMT_PASSWORD -k OptInPolicy=false
+
+You can also query the current settings:
+
+  wsman get \
+  http://intel.com/wbem/wscim/1/ips-schema/1/IPS_KVMRedirectionSettingData \
+  -h AMT_HOST -P 16992 -u admin -p AMT_PASSWORD
+
+Note: After a reboot, the wsman commands might get a connection failure
+error (code = 0). After letting the machine sit for some indeterminate
+time, it decides to work. I suspect a timeout-reset that clears whatever
+the problem is.
+
+See also:
+---------
+
+https://software.intel.com/sites/manageability/AMT_Implementation_and_Reference_Guide/default.htm
+
+https://software.intel.com/en-us/articles/download-the-latest-intel-amt-software-development-kit-sdk
+
+https://software.intel.com/sites/default/files/article/393789/amt-9-start-here-guide.pdf
+
+https://software.intel.com/en-us/articles/intel-active-management-technology-start-here-guide-intel-amt-10