Add trigger LED attribute to Hue motion sensors

[TheJulianJES]

Tested and working on an indoor v2 SML003 Hue motion sensor.

Attribute reads as: Bool.false or Bool.true
Write attribute as: 0 or 1 (to disable or enable green trigger LED)

I'll also look at adding config entities for all Hue motion sensor options in HA Core itself.

required follow-up PR #1813 to use the cluster

[coveralls]

Pull Request Test Coverage Report for Build 3212077261

• 5 of 5 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.01%) to 80.0%

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Totals
Change from base Build 3185142719:	0.01%
Covered Lines:	5944
Relevant Lines:	7430

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💛 - Coveralls

[codecov-commenter]

Codecov Report

Base: 79.98% // Head: 80.00% // Increases project coverage by +0.01% 🎉

Coverage data is based on head (fb0822e) compared to base (f13ba18).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1812      +/-   ##
==========================================
+ Coverage   79.98%   80.00%   +0.01%     
==========================================
  Files         239      239              
  Lines        7426     7430       +4     
==========================================
+ Hits         5940     5944       +4     
  Misses       1486     1486              

Impacted Files	Coverage Δ
zhaquirks/philips/motion.py	100.00% <100.00%> (ø)

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