i2c, omap24xx: convert driver to new mutlibus/mutliadapter framework

- add omap24xx driver to new multibus/multiadpater support
- adapted all config files, which uses this driver

Tested on the am335x based siemens boards rut, dxr2 and pxm2
posted here:
http://patchwork.ozlabs.org/patch/263211/

Signed-off-by: Heiko Schocher <hs@denx.de>
Tested-by: Tom Rini <trini@ti.com>
Cc: Lars Poeschel <poeschel@lemonage.de>
Cc: Steve Sakoman <sakoman@gmail.com>
Cc: Thomas Weber <weber@corscience.de>
Cc: Tom Rix <Tom.Rix@windriver.com>
Cc: Grazvydas Ignotas <notasas@gmail.com>
Cc: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Cc: Luca Ceresoli <luca.ceresoli@comelit.it>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Ilya Yanok <yanok@emcraft.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Nishanth Menon <nm@ti.com>
Cc: Pali Rohár <pali.rohar@gmail.com>
Cc: Peter Barada <peter.barada@logicpd.com>
Cc: Nagendra T S  <nagendra@mistralsolutions.com>
Cc: Michael Jones <michael.jones@matrix-vision.de>
Cc: Raphael Assenat <raph@8d.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Stefano Babic <sbabic@denx.de>
diff --git a/include/configs/tam3517-common.h b/include/configs/tam3517-common.h
index 683bc54..6112c1b 100644
--- a/include/configs/tam3517-common.h
+++ b/include/configs/tam3517-common.h
@@ -117,14 +117,13 @@
 #undef CONFIG_CMD_IMLS
 
 #define CONFIG_SYS_NO_FLASH
-#define CONFIG_HARD_I2C
-#define CONFIG_SYS_I2C_SPEED		400000
-#define CONFIG_SYS_I2C_SLAVE		1
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_OMAP24_I2C_SPEED	400000
+#define CONFIG_SYS_OMAP24_I2C_SLAVE	1
+#define CONFIG_SYS_I2C_OMAP34XX
 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50		/* base address */
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1		/* bytes of address */
 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW	0x07
-#define CONFIG_DRIVER_OMAP34XX_I2C
-
 
 /*
  * Board NAND Info.
@@ -369,7 +368,7 @@
 
 #define TAM3517_READ_EEPROM(info, ret) \
 do {								\
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);	\
+	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); \
 	if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,		\
 		(void *)info, sizeof(*info)))			\
 		ret = 1;					\