power:pmic: Rename CONFIG_PMIC* defines to CONFIG_POWER

Rename all CONFIG_PMIC* defines to CONFIG_POWER*

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c
index 71ed618..50e9210 100644
--- a/board/samsung/goni/goni.c
+++ b/board/samsung/goni/goni.c
@@ -41,7 +41,7 @@
 	gd->bd->bi_arch_number = MACH_TYPE_GONI;
 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 
-#if defined(CONFIG_PMIC)
+#if defined(CONFIG_POWER)
 	pmic_init(I2C_5);
 #endif