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/phy/meson-gxbb-usb2.c b/drivers/phy/meson-gxbb-usb2.c
index 70a80b8..725b056 100644
--- a/drivers/phy/meson-gxbb-usb2.c
+++ b/drivers/phy/meson-gxbb-usb2.c
@@ -15,6 +15,7 @@
 #include <regmap.h>
 #include <reset.h>
 #include <linux/bitops.h>
+#include <linux/printk.h>
 
 #define REG_CONFIG					0x00
 	#define REG_CONFIG_CLK_EN			BIT(0)