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/am43xx_hs_evm_defconfig b/configs/am43xx_hs_evm_defconfig
index ac779b6..43f4738 100644
--- a/configs/am43xx_hs_evm_defconfig
+++ b/configs/am43xx_hs_evm_defconfig
@@ -13,7 +13,7 @@
 CONFIG_TI_SECURE_EMIF_REGION_START=0xbdb00000
 CONFIG_TI_SECURE_EMIF_TOTAL_REGION_SIZE=0x02000000
 CONFIG_TI_SECURE_EMIF_PROTECTED_REGION_SIZE=0x01c00000
-CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_FIT_IMAGE_POST_PROCESS=y