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-stm32mp/dram_init.c b/arch/arm/mach-stm32mp/dram_init.c
index 24389d5..0e8ce63 100644
--- a/arch/arm/mach-stm32mp/dram_init.c
+++ b/arch/arm/mach-stm32mp/dram_init.c
@@ -8,6 +8,7 @@
 #include <image.h>
 #include <init.h>
 #include <lmb.h>
+#include <log.h>
 #include <ram.h>
 
 DECLARE_GLOBAL_DATA_PTR;