Suggestion: Turn warnings into errors in extract_dts_includes.py

[ulfalizer]

Would get rid of stuff like this, which has been there for a long time now:

quark_se_c1000_devboard.dts_compiled: Warning (unit_address_vs_reg): Node /soc/virtualcom@0 has a unit name, but no reg property
extract_dts_includes.py: 'id' property missing in 'Intel I/O Advanced Programmable Interrupt Controller' binding. Using '<unknown id>'.

Could check if tests are being run somehow too. The brute-force approach is effective at least...

[ulfalizer]

CC @b0661

[SebastianBoe]

This is a duplicate of the (until now accidentally closed) issue #8360 .