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/pci/pcie_dw_ti.c b/drivers/pci/pcie_dw_ti.c
index f62264c..0cca4e6 100644
--- a/drivers/pci/pcie_dw_ti.c
+++ b/drivers/pci/pcie_dw_ti.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <log.h>
 #include <pci.h>
 #include <generic-phy.h>
 #include <power-domain.h>