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/drivers/remoteproc/sandbox_testproc.c b/drivers/remoteproc/sandbox_testproc.c
index eeee49c..2b58b27 100644
--- a/drivers/remoteproc/sandbox_testproc.c
+++ b/drivers/remoteproc/sandbox_testproc.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <dm.h>
 #include <errno.h>
+#include <log.h>
 #include <remoteproc.h>
 #include <asm/io.h>