m68knommu: AMCORE board, add iMX i2c support

Add iMX i2c support for the Sysam AMCORE board.
Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>

arch/m68k/configs/amcore_defconfig

@@ -88,7 +88,7 @@ CONFIG_I2C=y
 # CONFIG_I2C_COMPAT is not set
 CONFIG_I2C_CHARDEV=y
 # CONFIG_I2C_HELPER_AUTO is not set
-CONFIG_I2C_COLDFIRE=y
+CONFIG_I2C_IMX=y
 CONFIG_PPS=y
 # CONFIG_HWMON is not set
 # CONFIG_USB_SUPPORT is not set