dm: Use dm.h header when driver mode is used

This header includes things that are needed to make driver build. Adjust
existing users to include that always, even if other dm/ includes are
present

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index 4dbe6a5..eb24222 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -14,7 +14,7 @@
 
 #include <common.h>
 #include <command.h>
-#include <dm/device.h>
+#include <dm.h>
 #include <dm/root.h>
 #include <image.h>
 #include <u-boot/zlib.h>
diff --git a/arch/arm/mach-uniphier/pinctrl-glue.c b/arch/arm/mach-uniphier/pinctrl-glue.c
index c52c6a6..725569f 100644
--- a/arch/arm/mach-uniphier/pinctrl-glue.c
+++ b/arch/arm/mach-uniphier/pinctrl-glue.c
@@ -6,9 +6,8 @@
  */
 
 #include <linux/errno.h>
-#include <dm/device.h>
+#include <dm.h>
 #include <dm/pinctrl.h>
-#include <dm/uclass.h>
 
 #include "init.h"
 
diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c
index 2def722..3fe99b8 100644
--- a/arch/sandbox/cpu/cpu.c
+++ b/arch/sandbox/cpu/cpu.c
@@ -4,6 +4,7 @@
  */
 #define DEBUG
 #include <common.h>
+#include <dm.h>
 #include <errno.h>
 #include <libfdt.h>
 #include <os.h>