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/px30-core-edimm2.2-px30_defconfig b/configs/px30-core-edimm2.2-px30_defconfig
index 46a4fb9..0340039 100644
--- a/configs/px30-core-edimm2.2-px30_defconfig
+++ b/configs/px30-core-edimm2.2-px30_defconfig
@@ -11,7 +11,7 @@
 CONFIG_TARGET_PX30_CORE=y
 CONFIG_DEBUG_UART_CHANNEL=1
 CONFIG_TPL_LIBGENERIC_SUPPORT=y
-CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL_STACK_R_ADDR=0x600000
 CONFIG_DEBUG_UART_BASE=0xFF160000
 CONFIG_DEBUG_UART_CLOCK=24000000