i2c: common changes for multibus/multiadapter support

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
Cc: Henrik Nordström <henrik@henriknordstrom.net>
diff --git a/arch/powerpc/cpu/mpc8xx/video.c b/arch/powerpc/cpu/mpc8xx/video.c
index 1bbf4cc..10e3e88 100644
--- a/arch/powerpc/cpu/mpc8xx/video.c
+++ b/arch/powerpc/cpu/mpc8xx/video.c
@@ -809,7 +809,11 @@
 
 	/* Initialize the I2C */
 	debug ("[VIDEO ENCODER] Initializing I2C bus...\n");
+#ifdef CONFIG_SYS_I2C
+	i2c_init_all();
+#else
 	i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
 
 #ifdef CONFIG_FADS
 	/* Reset ADV7176 chip */