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/cpu/armv8/sec_firmware.c b/arch/arm/cpu/armv8/sec_firmware.c
index c7445e6..789f9ca 100644
--- a/arch/arm/cpu/armv8/sec_firmware.c
+++ b/arch/arm/cpu/armv8/sec_firmware.c
@@ -8,6 +8,7 @@
 #include <errno.h>
 #include <fdt_support.h>
 #include <image.h>
+#include <log.h>
 #include <asm/cache.h>
 #include <linux/kernel.h>
 #include <asm/io.h>