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/ram/imxrt_sdram.c b/drivers/ram/imxrt_sdram.c
index d0a8884..6a15242 100644
--- a/drivers/ram/imxrt_sdram.c
+++ b/drivers/ram/imxrt_sdram.c
@@ -15,6 +15,7 @@
 #include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/err.h>
+#include <linux/printk.h>
 
 /* SDRAM Command Code */
 #define SD_CC_ARD		0x0     /* Master Bus (AXI) command - Read */
diff --git a/drivers/ram/rockchip/dmc-rk3368.c b/drivers/ram/rockchip/dmc-rk3368.c
index dd5b191..f36be94 100644
--- a/drivers/ram/rockchip/dmc-rk3368.c
+++ b/drivers/ram/rockchip/dmc-rk3368.c
@@ -23,6 +23,7 @@
 #include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/err.h>
+#include <linux/printk.h>
 
 struct dram_info {
 	struct ram_info info;
diff --git a/drivers/ram/stm32_sdram.c b/drivers/ram/stm32_sdram.c
index 47a930e..891f413 100644
--- a/drivers/ram/stm32_sdram.c
+++ b/drivers/ram/stm32_sdram.c
@@ -16,6 +16,7 @@
 #include <dm/device_compat.h>
 #include <linux/bitops.h>
 #include <linux/delay.h>
+#include <linux/printk.h>
 
 #define MEM_MODE_MASK	GENMASK(2, 0)
 #define SWP_FMC_OFFSET 10
diff --git a/drivers/ram/stm32mp1/stm32mp1_ddr.c b/drivers/ram/stm32mp1/stm32mp1_ddr.c
index ab913a6..8ee4e24 100644
--- a/drivers/ram/stm32mp1/stm32mp1_ddr.c
+++ b/drivers/ram/stm32mp1/stm32mp1_ddr.c
@@ -16,6 +16,7 @@
 #include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/iopoll.h>
+#include <linux/printk.h>
 #include "stm32mp1_ddr.h"
 #include "stm32mp1_ddr_regs.h"
 
diff --git a/drivers/ram/stm32mp1/stm32mp1_ram.c b/drivers/ram/stm32mp1/stm32mp1_ram.c
index a6c19af..61bc002 100644
--- a/drivers/ram/stm32mp1/stm32mp1_ram.c
+++ b/drivers/ram/stm32mp1/stm32mp1_ram.c
@@ -15,6 +15,7 @@
 #include <syscon.h>
 #include <asm/io.h>
 #include <dm/device_compat.h>
+#include <linux/printk.h>
 #include "stm32mp1_ddr.h"
 #include "stm32mp1_ddr_regs.h"