allwinner: Pass FDT address to sunxi_pmic_setup()

For Allwinner boards we now use some heuritistics to find a preloaded
.dtb file.

Pass this address on to the PMIC setup routine, so that it can use the
information contained therein to setup some initial power rails.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/plat/allwinner/common/sunxi_bl31_setup.c b/plat/allwinner/common/sunxi_bl31_setup.c
index 94b123a..8f597c3 100644
--- a/plat/allwinner/common/sunxi_bl31_setup.c
+++ b/plat/allwinner/common/sunxi_bl31_setup.c
@@ -148,7 +148,7 @@
 
 	sunxi_security_setup();
 
-	sunxi_pmic_setup(soc_id);
+	sunxi_pmic_setup(soc_id, fdt);
 
 	INFO("BL31: Platform setup done\n");
 }