universal_c210: fix compiler error and compiler warning

This patch fix following errors

universal.c: In function 'init_pmic_lcd':
universal.c:340: warning: implicit declaration of function 'get_pmic'
universal.c:340: warning: initialization makes pointer from integer without a cast
universal.c: In function 'lcd_power_on':
universal.c:431: warning: initialization makes pointer from integer without a cast
universal.c: At top level:
universal.c:335: warning: 'init_pmic_lcd' defined but not used

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Cc: Donghwa Lee <dh09.lee@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Tested-by: Piotr Wilczek <p.wilczek@samsung.com>

board/samsung/universal_c210/universal.c

@@ -55,6 +55,8 @@ static int get_hwrev(void)
 	return board_rev & 0xFF;
 }
 
+static void init_pmic_lcd(void);
+
 int power_init_board(void)
 {
 	int ret;
@@ -63,6 +65,8 @@ int power_init_board(void)
 	if (ret)
 		return ret;
 
+	init_pmic_lcd();
+
 	return 0;
 }
 
@@ -337,7 +341,7 @@ static void init_pmic_lcd(void)
 	unsigned char val;
 	int ret = 0;
 
-	struct pmic *p = get_pmic();
+	struct pmic *p = pmic_get("MAX8998_PMIC");
 
 	if (pmic_probe(p))
 		return;
@@ -428,7 +432,7 @@ static void reset_lcd(void)
 
 static void lcd_power_on(void)
 {
-	struct pmic *p = get_pmic();
+	struct pmic *p = pmic_get("MAX8998_PMIC");
 
 	if (pmic_probe(p))
 		return;