i2c:i2c-bfin-twi: include twi head file

TWI bit mask macros are moved to twi head file.
Depend on commit 61c16b5cSigned-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

drivers/i2c/busses/i2c-bfin-twi.c

@@ -25,6 +25,7 @@
 #include <asm/blackfin.h>
 #include <asm/portmux.h>
 #include <asm/irq.h>
+#include <asm/bfin_twi.h>
 
 /* SMBus mode*/
 #define TWI_I2C_MODE_STANDARD		1