common: Drop log.h from common header

Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-omap2/omap5/dra7xx_iodelay.c b/arch/arm/mach-omap2/omap5/dra7xx_iodelay.c
index 598074b..8569eff 100644
--- a/arch/arm/mach-omap2/omap5/dra7xx_iodelay.c
+++ b/arch/arm/mach-omap2/omap5/dra7xx_iodelay.c
@@ -8,6 +8,7 @@
 
 #include <common.h>
 #include <hang.h>
+#include <log.h>
 #include <asm/utils.h>
 #include <asm/arch/dra7xx_iodelay.h>
 #include <asm/arch/omap.h>
diff --git a/arch/arm/mach-omap2/omap5/emif.c b/arch/arm/mach-omap2/omap5/emif.c
index f3661a0..2de36b6 100644
--- a/arch/arm/mach-omap2/omap5/emif.c
+++ b/arch/arm/mach-omap2/omap5/emif.c
@@ -9,6 +9,7 @@
  */
 
 #include <common.h>
+#include <log.h>
 #include <asm/emif.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/utils.h>
diff --git a/arch/arm/mach-omap2/omap5/fdt.c b/arch/arm/mach-omap2/omap5/fdt.c
index c4adba3..3f8474b 100644
--- a/arch/arm/mach-omap2/omap5/fdt.c
+++ b/arch/arm/mach-omap2/omap5/fdt.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <hang.h>
+#include <log.h>
 #include <linux/libfdt.h>
 #include <fdt_support.h>
 #include <malloc.h>