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/riscv/lib/fdt_fixup.c b/arch/riscv/lib/fdt_fixup.c
index 20e0759..6db48ad 100644
--- a/arch/riscv/lib/fdt_fixup.c
+++ b/arch/riscv/lib/fdt_fixup.c
@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <fdt_support.h>
+#include <log.h>
 #include <mapmem.h>
 
 DECLARE_GLOBAL_DATA_PTR;