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/evb-px5_defconfig b/configs/evb-px5_defconfig
index 3a5f1e7..50a4bc1 100644
--- a/configs/evb-px5_defconfig
+++ b/configs/evb-px5_defconfig
@@ -8,7 +8,7 @@
 CONFIG_TPL_LDSCRIPT="arch/arm/mach-rockchip/u-boot-tpl-v8.lds"
 CONFIG_TPL_LIBCOMMON_SUPPORT=y
 CONFIG_TPL_LIBGENERIC_SUPPORT=y
-CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_TARGET_EVB_PX5=y
 CONFIG_SPL_STACK_R_ADDR=0x600000
 CONFIG_SPL=y