Rename DRIVERS_MISC_SUPPORT to DRIVERS_MISC

Rename these options so that CONFIG_IS_ENABLED can be used with them.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/imx8qxp_mek_defconfig b/configs/imx8qxp_mek_defconfig
index d88e007..888e84d 100644
--- a/configs/imx8qxp_mek_defconfig
+++ b/configs/imx8qxp_mek_defconfig
@@ -16,7 +16,7 @@
 CONFIG_TARGET_IMX8QXP_MEK=y
 CONFIG_SPL_MMC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
-CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL=y
 CONFIG_OF_SYSTEM_SETUP=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/imx8qxp_mek/imximage.cfg"