i2c-algo-pca: Remove trailing whitespaces and unnecessary UTF
Remove trailing whitespaces to make further patches more readable. Also remove
an unnecessary UTF-char for simplicity ("us" for microseconds is fine enough).
Signed-off-by:
Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by:
Jean Delvare <khali@linux-fr.org>
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