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/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c
index bb77b5c..dfa3760 100644
--- a/arch/arm/cpu/armv7/omap-common/clocks-common.c
+++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c
@@ -779,7 +779,8 @@
 	static int gpi2c = 1;
 
 	if (gpi2c) {
-		i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+		i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED,
+			 CONFIG_SYS_OMAP24_I2C_SLAVE);
 		gpi2c = 0;
 	}
 }
diff --git a/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds b/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds
index 5e93b34..989083c 100644
--- a/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds
+++ b/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds
@@ -33,6 +33,10 @@
 	.data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram
 
 	. = ALIGN(4);
+	.u_boot_list : {
+		KEEP(*(SORT(.u_boot_list*)));
+	} >.sram
+	. = ALIGN(4);
 	__image_copy_end = .;
 	_end = .;
 
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c
index 7d1f8d9..2922816 100644
--- a/arch/arm/cpu/armv7/omap3/board.c
+++ b/arch/arm/cpu/armv7/omap3/board.c
@@ -98,7 +98,7 @@
 	gpmc_init();
 #endif
 #ifdef CONFIG_SPL_I2C_SUPPORT
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
 #endif
 }
 #endif /* CONFIG_SPL_BUILD */
diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c
index 9f989ff..14fc7e8 100644
--- a/arch/arm/cpu/armv7/omap3/clock.c
+++ b/arch/arm/cpu/armv7/omap3/clock.c
@@ -708,7 +708,7 @@
 	sr32(&prcm_base->iclken_per, 17, 1, 1);
 #endif
 
-#ifdef CONFIG_DRIVER_OMAP34XX_I2C
+#ifdef CONFIG_SYS_I2C_OMAP34XX
 	/* Turn on all 3 I2C clocks */
 	sr32(&prcm_base->fclken1_core, 15, 3, 0x7);
 	sr32(&prcm_base->iclken1_core, 15, 3, 0x7);	/* I2C1,2,3 = on */
diff --git a/arch/arm/include/asm/arch-am33xx/i2c.h b/arch/arm/include/asm/arch-am33xx/i2c.h
index 8bfa53f..8642c8f 100644
--- a/arch/arm/include/asm/arch-am33xx/i2c.h
+++ b/arch/arm/include/asm/arch-am33xx/i2c.h
@@ -4,8 +4,8 @@
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
-#ifndef _I2C_H_
-#define _I2C_H_
+#ifndef _I2C_AM33XX_H_
+#define _I2C_AM33XX_H_
 
 #define  I2C_BASE1		0x44E0B000
 #define  I2C_BASE2		0x4802A000
@@ -62,4 +62,4 @@
 #define I2C_IP_CLK			48000000
 #define I2C_INTERNAL_SAMPLING_CLK	12000000
 
-#endif /* _I2C_H_ */
+#endif /* _I2C_AM33XX_H_ */