drivers/i2c/davinci_i2c.c: Fix GCC 4.6 warning
Fix: davinci_i2c.c: In function 'flush_rx': davinci_i2c.c:81:6: warning: variable 'dummy' set but not used [-Wunused-but-set-variable] Signed-off-by: NAnatolij Gustschin <agust@denx.de> Acked-by: NHeiko Schocher <hs@denx.de>
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