i2c, fsl_i2c: switch to new multibus/multiadapter support

- added to fsl_i2c driver new multibus/multiadpater support
- adapted all config files, which uses this driver

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stephen Warren <swarren@wwwdotorg.org>
diff --git a/arch/m68k/cpu/mcf5227x/speed.c b/arch/m68k/cpu/mcf5227x/speed.c
index 98f554a..30d3207 100644
--- a/arch/m68k/cpu/mcf5227x/speed.c
+++ b/arch/m68k/cpu/mcf5227x/speed.c
@@ -134,7 +134,7 @@
 		gd->bus_clk = gd->arch.flb_clk;
 	}
 
-#ifdef CONFIG_FSL_I2C
+#ifdef CONFIG_SYS_I2C_FSL
 	gd->arch.i2c1_clk = gd->bus_clk;
 #endif