mpc83xx: km83xx_i2c - fix gcc 4.6 compiler warning

Configuring for kmeter1 board...
km83xx_i2c.c: In function 'i2c_make_abort':
km83xx_i2c.c:44:8: warning: variable 'dummy' set but not used [-Wunused-but-set-variable]

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Acked-by: Heiko Schocher <hs@denx.de>
1 file changed