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>

plat/allwinner/common/include/sunxi_private.h

@@ -14,7 +14,7 @@ void sunxi_cpu_off(unsigned int cluster, unsigned int core);
 void sunxi_disable_secondary_cpus(unsigned int primary_cpu);
 void __dead2 sunxi_power_down(void);
 
-int sunxi_pmic_setup(uint16_t socid);
+int sunxi_pmic_setup(uint16_t socid, const void *fdt);
 void sunxi_security_setup(void);
 
 uint16_t sunxi_read_soc_id(void);

plat/allwinner/common/sunxi_bl31_setup.c

@@ -148,7 +148,7 @@ void bl31_platform_setup(void)
 
 	sunxi_security_setup();
 
-	sunxi_pmic_setup(soc_id);
+	sunxi_pmic_setup(soc_id, fdt);
 
 	INFO("BL31: Platform setup done\n");
 }

plat/allwinner/sun50i_a64/sunxi_power.c

@@ -126,7 +126,7 @@ static int axp_setbits(uint8_t reg, uint8_t set_mask)
 	return rsb_write(AXP803_RT_ADDR, reg, regval);
 }
 
-int sunxi_pmic_setup(uint16_t socid)
+int sunxi_pmic_setup(uint16_t socid, const void *fdt)
 {
 	int ret;
 

plat/allwinner/sun50i_h6/sunxi_power.c

@@ -68,7 +68,7 @@ static int axp805_probe(void)
 	return 0;
 }
 
-int sunxi_pmic_setup(uint16_t socid)
+int sunxi_pmic_setup(uint16_t socid, const void *fdt)
 {
 	int ret;