Rename SPL_POWER_SUPPORT to SPL_POWER

Rename this option so that CONFIG_IS_ENABLED can be used with it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 48bc80a..eff4899 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -23,7 +23,7 @@
 	imply SPL_MMC_SUPPORT
 	imply SPL_NAND_SUPPORT
 	imply SPL_OMAP3_ID_NAND
-	imply SPL_POWER_SUPPORT
+	imply SPL_POWER
 	imply SPL_SERIAL_SUPPORT
 	imply SYS_I2C_OMAP24XX
 	imply SYS_THUMB_BUILD
@@ -45,7 +45,7 @@
 	imply SPL_MMC_SUPPORT
 	imply SPL_NAND_SIMPLE
 	imply SPL_NAND_SUPPORT
-	imply SPL_POWER_SUPPORT
+	imply SPL_POWER
 	imply SPL_SERIAL_SUPPORT
 	imply SYS_I2C_OMAP24XX
 	imply SYS_THUMB_BUILD
@@ -70,7 +70,7 @@
 	imply SPL_NAND_AM33XX_BCH
 	imply SPL_NAND_AM33XX_BCH
 	imply SPL_NAND_SUPPORT
-	imply SPL_POWER_SUPPORT
+	imply SPL_POWER
 	imply SPL_SERIAL_SUPPORT
 	imply SYS_I2C_OMAP24XX