i2c: Remove <common.h> and add needed includes

Remove <common.h> from this driver directory and when needed
add missing include files directly.

Reviewed-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/i2c/davinci_i2c.c b/drivers/i2c/davinci_i2c.c
index 25ef937..3913274 100644
--- a/drivers/i2c/davinci_i2c.c
+++ b/drivers/i2c/davinci_i2c.c
@@ -11,7 +11,7 @@
  * Please see doc/driver-model/i2c-howto.rst for instructions.
  */
 
-#include <common.h>
+#include <config.h>
 #include <i2c.h>
 #include <dm.h>
 #include <log.h>