common: Drop linux/printk.h from common header

This old patch was marked as deferred. Bring it back to life, to continue
towards the removal of common.h

Move this out of the common header and include it only where needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/dma/ti-edma3.c b/drivers/dma/ti-edma3.c
index 1ad3b92..31ffff0 100644
--- a/drivers/dma/ti-edma3.c
+++ b/drivers/dma/ti-edma3.c
@@ -16,6 +16,7 @@
 #include <linux/dma-mapping.h>
 #include <asm/omap_common.h>
 #include <asm/ti-common/ti-edma3.h>
+#include <linux/printk.h>
 
 #define EDMA3_SL_BASE(slot)			(0x4000 + ((slot) << 5))
 #define EDMA3_SL_MAX_NUM			512