tpm: Boot with a warning if the event log is full #907

Job	Run time
f41 x64 build compile_commands.json	2m 42s
f41 x64 build	2m 11s
f40 x64 build	2m 6s
f41 aa64 cross-build	2m 14s
f39 x64 build	2m 3s
f40 aa64 cross-build	1m 59s
centos9 x64 build	1m 15s
f41 arm cross-build	1m 59s
centos8 x64 build	1m 16s
f40 arm cross-build	1m 53s
f39 ia32 build	1m 57s
f39 arm cross-build	1m 58s
centos8 ia32 build	1m 14s
f41 x64 cross-build	2m 10s
f40 x64 cross-build	2m 13s
f39 x64 cross-build	2m 0s
f41 ia32 cross-build	2m 10s
f40 ia32 cross-build	1m 55s
f39 ia32 cross-build	1m 52s
	37m 7s

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