drm: bridge/dw_hdmi: fix register I2CM_ADDRESS register name

I2CM_ADDRESS became a MESS, fix it, also change guarding define
to __DW_HDMI_H__ , since the driver is not IMX specific.

Signed-off-by: Vladimir Zapolskiy <[e-mail]>
Signed-off-by: Russell King <[e-mail]>

drivers/gpu/drm/bridge/dw_hdmi.h

···
  * (at your option) any later version.
  */
 
-#ifndef __IMX_HDMI_H__
-#define __IMX_HDMI_H__
+#ifndef __DW_HDMI_H__
+#define __DW_HDMI_H__
 
 /* Identification Registers */
 #define HDMI_DESIGN_ID                          0x0000
···
 
 /* I2C Master Registers (E-DDC) */
 #define HDMI_I2CM_SLAVE                         0x7E00
-#define HDMI_I2CMESS                            0x7E01
+#define HDMI_I2CM_ADDRESS                       0x7E01
 #define HDMI_I2CM_DATAO                         0x7E02
 #define HDMI_I2CM_DATAI                         0x7E03
 #define HDMI_I2CM_OPERATION                     0x7E04
···
 	HDMI_A_VIDPOLCFG_HSYNCPOL_ACTIVE_LOW = 0x0,
 };
 
-#endif /* __IMX_HDMI_H__ */
+#endif /* __DW_HDMI_H__ */