i2c: don't use ',' after delimiters

Delimiters are meant to be last, no need for a ',' there. Remove a
superfluous newline in the ali1535 driver while here.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>