Merge branch 'dsa-lan9303-Linting'

Egil Hjelmeland says:

====================
net: dsa: lan9303: Linting

This series is non-functional.
 - Correct some errors in comments and documentation.
Remove scripts/checkpatch.pl WARNINGs and most CHECKs:
 - Replace msleep(1) with usleep_range()
 - Adjust indenting

Changes v1 -> v2:
 - Removed patch 4 "Remove unnecessary parentheses", to be addressed later
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Signed-off-by: David S. Miller <davem@davemloft.net>