OLPC Firmware q7b16

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OLPC Firmware Release q7b16

Works on XO-4 B1 and later only. Do not use on XO-4 A or other models.

new EC firmware with a fallback to bail the processor out of incomplete suspends,
fix wakeup issues on 1 GHz and 800 MHz processors,
recover from occasional DCON hang during manufacturing tests,
a rewrite of the switch tests, requested by Australia,
allow telnetd reconnections, for remote diagnosis,
debugging; allow go after keyboard interrupt to resume execution.

3548 OLPC - rewrite switch tests for field only, <trac>12514</trac>
3547 OLPC XO-4 - EC Code 0.3.12
3546 OLPC - lid and ebook switch tests, move to a common file
3545 OLPC - move some common developer utilities into a single file.
3544 mkdropin - again fix calculation of ending address for reserved area skip, by adding the pad to 4-byte boundary. A build using builder.dic from before svn 3540 had the reserved header exactly at reserved-start. See also svn 1980. Regenerated ARM builder using koji2.laptop.org.
3543 OLPC ARM - dcon, power cycle on hang, fix for <trac>12377</trac>.
3542 OLPC - telnetd, allow subsequent reconnections, display IP address of client, suppress 300ms options negotiation allowing to occur during normal mux I/O, also fixes <trac>12539</trac>.
3541 core - allow go after keyboard interrupt, to resume execution.
3540 mkdropin - fix calculation of ending address for reserved area skip, occasionally a reserved area began with trailing bytes of the dropin header.