i2c-highlander: remover superflous variable
When cppcheck found this flaw [./i2c/busses/i2c-highlander.c:284]: (style) Warning - using char variable in bit operation it was noted that the 'read'-variable could be simply removed as read_write can only be 0 or 1 anyhow. So, we remove the flaw and simplify the code. Reported-by: d binderman <dcb314@hotmail.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Jean Delvare <khali@linux-fr.org> Cc: Ben Dooks <ben-linux@fluff.org>
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