arm:universal_c210:pmic: Adjust C210 Universal target platform board to new PMIC framework

Move pmic_init() function call from board_init() to power_init_board()
to work with new PMIC/POWER framework.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>

board/samsung/universal_c210/universal.c

@@ -58,16 +58,23 @@ int board_init(void)
 	gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210;
 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 
-#if defined(CONFIG_POWER)
-	pmic_init(I2C_5);
-#endif
-
 	check_hw_revision();
 	printf("HW Revision:\t0x%x\n", board_rev);
 
 	return 0;
 }
 
+int power_init_board(void)
+{
+	int ret;
+
+	ret = pmic_init(I2C_5);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 int dram_init(void)
 {
 	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) +