[coreboot-gerrit] Change in coreboot[master]: sb/intel/i82801gx/azalia.c: Fix read on 16bits register

[Paul Menzel (Code Review)]

Attention is currently required from: Arthur Heymans, Patrick Rudolph, Elyes Haouas.
Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/61845 )

Change subject: sb/intel/i82801gx/azalia.c: Fix read on 16bits register
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Patch Set 3:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/61845/comment/e51a1f94_44bc46f6 
PS3, Line 10: bits
bit

File src/southbridge/intel/i82801gx/azalia.c:

https://review.coreboot.org/c/coreboot/+/61845/comment/be49d86c_9fccd499 
PS3, Line 17: 	const u16 codec_mask = (1 << CONFIG_AZALIA_MAX_CODECS) - 1;
Why this form and not 0xf?