global: Add <linux/string.h> instead of long indirect include path

In a number of cases we have C files which rely on a chain of indirect
include paths to get <linux/string.h> to be included via <command.h>. To
facilitate cleaning up <command.h> make this code directly include
<linux/string.h>.

Signed-off-by: Tom Rini <trini@konsulko.com>
---
Cc: Andrew Davis <afd@ti.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Dai Okamura <okamura.dai@socionext.com>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Francesco Dolcini <francesco.dolcini@toradex.com>
Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Cc: Jens Wiklander <jens.wiklander@linaro.org>
Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Cc: Mingkai Hu <mingkai.hu@nxp.com>
Cc: Priyanka Jain <priyanka.jain@nxp.com>
Cc: Shengzhou Liu <Shengzhou.Liu@nxp.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefano Babic <sbabic@nabladev.com>
Cc: Svyatoslav Ryhel <clamor95@gmail.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: William Zhang <william.zhang@broadcom.com>
diff --git a/arch/arm/mach-imx/mx5/clock.c b/arch/arm/mach-imx/mx5/clock.c
index 41116e2..9901f8a 100644
--- a/arch/arm/mach-imx/mx5/clock.c
+++ b/arch/arm/mach-imx/mx5/clock.c
@@ -10,6 +10,7 @@
 #include <log.h>
 #include <asm/io.h>
 #include <linux/errno.h>
+#include <linux/string.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/crm_regs.h>
 #include <asm/arch/clock.h>
diff --git a/arch/arm/mach-keystone/cmd_clock.c b/arch/arm/mach-keystone/cmd_clock.c
index e9ecc05..7b94a80 100644
--- a/arch/arm/mach-keystone/cmd_clock.c
+++ b/arch/arm/mach-keystone/cmd_clock.c
@@ -8,6 +8,7 @@
 
 #include <vsprintf.h>
 #include <command.h>
+#include <linux/string.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/psc_defs.h>
diff --git a/arch/arm/mach-tegra/tegra124/bct.c b/arch/arm/mach-tegra/tegra124/bct.c
index a71aa87..4dc4b71 100644
--- a/arch/arm/mach-tegra/tegra124/bct.c
+++ b/arch/arm/mach-tegra/tegra124/bct.c
@@ -7,6 +7,7 @@
 #include <command.h>
 #include <log.h>
 #include <vsprintf.h>
+#include <linux/string.h>
 #include <asm/arch-tegra/crypto.h>
 #include "bct.h"
 #include "uboot_aes.h"
diff --git a/arch/arm/mach-tegra/tegra20/bct.c b/arch/arm/mach-tegra/tegra20/bct.c
index b647b6b..253cb24 100644
--- a/arch/arm/mach-tegra/tegra20/bct.c
+++ b/arch/arm/mach-tegra/tegra20/bct.c
@@ -7,6 +7,7 @@
 #include <command.h>
 #include <log.h>
 #include <vsprintf.h>
+#include <linux/string.h>
 #include <asm/arch-tegra/crypto.h>
 #include "bct.h"
 #include "uboot_aes.h"
diff --git a/arch/arm/mach-tegra/tegra30/bct.c b/arch/arm/mach-tegra/tegra30/bct.c
index 250009e..398ba1d 100644
--- a/arch/arm/mach-tegra/tegra30/bct.c
+++ b/arch/arm/mach-tegra/tegra30/bct.c
@@ -7,6 +7,7 @@
 #include <command.h>
 #include <log.h>
 #include <vsprintf.h>
+#include <linux/string.h>
 #include <asm/arch-tegra/crypto.h>
 #include "bct.h"
 #include "uboot_aes.h"
diff --git a/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c b/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c
index 629f8b9..be4ce32 100644
--- a/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c
+++ b/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c
@@ -9,6 +9,7 @@
 #include <linux/io.h>
 #include <linux/printk.h>
 #include <linux/sizes.h>
+#include <linux/string.h>
 
 #include "../soc-info.h"
 #include "ddrmphy-regs.h"
diff --git a/arch/arm/mach-uniphier/dram/cmd_ddrphy.c b/arch/arm/mach-uniphier/dram/cmd_ddrphy.c
index ca519d1..3ccafe2 100644
--- a/arch/arm/mach-uniphier/dram/cmd_ddrphy.c
+++ b/arch/arm/mach-uniphier/dram/cmd_ddrphy.c
@@ -10,6 +10,7 @@
 #include <linux/io.h>
 #include <linux/printk.h>
 #include <linux/sizes.h>
+#include <linux/string.h>
 
 #include "../soc-info.h"
 #include "ddrphy-regs.h"