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/ls1046ardb_emmc_defconfig b/configs/ls1046ardb_emmc_defconfig
index 9f8c301..5d8ed39 100644
--- a/configs/ls1046ardb_emmc_defconfig
+++ b/configs/ls1046ardb_emmc_defconfig
@@ -12,7 +12,7 @@
 CONFIG_FSL_LS_PPA=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_AHCI=y
 CONFIG_DISTRO_DEFAULTS=y