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/configs/odroid-go2_defconfig b/configs/odroid-go2_defconfig
index 7cb32f1..dcee910 100644
--- a/configs/odroid-go2_defconfig
+++ b/configs/odroid-go2_defconfig
@@ -35,7 +35,7 @@
 # CONFIG_TPL_BANNER_PRINT is not set
 CONFIG_SPL_CRC32=y
 CONFIG_SPL_I2C_SUPPORT=y
-CONFIG_SPL_POWER_SUPPORT=y
+CONFIG_SPL_POWER=y
 CONFIG_SPL_ATF=y
 # CONFIG_TPL_FRAMEWORK is not set
 # CONFIG_CMD_BOOTD is not set