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/board/synopsys/hsdk/clk-lib.c b/board/synopsys/hsdk/clk-lib.c
index 6b6bb70..1c74bfb 100644
--- a/board/synopsys/hsdk/clk-lib.c
+++ b/board/synopsys/hsdk/clk-lib.c
@@ -5,6 +5,7 @@
  */
 
 #include <clk.h>
+#include <log.h>
 #include <malloc.h>
 #include <dm/device.h>
 
diff --git a/board/synopsys/hsdk/env-lib.c b/board/synopsys/hsdk/env-lib.c
index f443c21..235f295 100644
--- a/board/synopsys/hsdk/env-lib.c
+++ b/board/synopsys/hsdk/env-lib.c
@@ -6,6 +6,7 @@
 
 #include "env-lib.h"
 #include <env.h>
+#include <log.h>
 
 #define MAX_CMD_LEN	25
 
diff --git a/board/synopsys/hsdk/hsdk.c b/board/synopsys/hsdk/hsdk.c
index d68b9d7..dcb19dd 100644
--- a/board/synopsys/hsdk/hsdk.c
+++ b/board/synopsys/hsdk/hsdk.c
@@ -12,6 +12,7 @@
 #include <image.h>
 #include <init.h>
 #include <irq_func.h>
+#include <log.h>
 #include <asm/cache.h>
 #include <linux/printk.h>
 #include <linux/kernel.h>