i2c: Fix some brace style issues

Signed-off-by: NCorey Minyard <cminyard@mvista.com>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Message-id: 20180227104903.21353-2-linus.walleij@linaro.org
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

hw/i2c/core.c

@@ -19,8 +19,7 @@ struct I2CNode {
 
 #define I2C_BROADCAST 0x00
 
-struct I2CBus
-{
+struct I2CBus {
     BusState qbus;
     QLIST_HEAD(, I2CNode) current_devs;
     uint8_t saved_address;

include/hw/i2c/i2c.h

@@ -25,8 +25,7 @@ typedef struct I2CSlave I2CSlave;
 #define I2C_SLAVE_GET_CLASS(obj) \
      OBJECT_GET_CLASS(I2CSlaveClass, (obj), TYPE_I2C_SLAVE)
 
-typedef struct I2CSlaveClass
-{
+typedef struct I2CSlaveClass {
     DeviceClass parent_class;
 
     /* Callbacks provided by the device.  */
@@ -50,8 +49,7 @@ typedef struct I2CSlaveClass
     int (*event)(I2CSlave *s, enum i2c_event event);
 } I2CSlaveClass;
 
-struct I2CSlave
-{
+struct I2CSlave {
     DeviceState qdev;
 
     /* Remaining fields for internal use by the I2C code.  */