reset: Rename CONFIG_SPL_RESET_SUPPORT to CONFIG_SPL_DM_RESET

Rename CONFIG_SPL_RESET_SUPPORT to CONFIG_SPL_DM_RESET, so can use
CONFIG_IS_ENABLED(DM_RESET) checking in reset.h later.

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 0bbf8d5..99c9053 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -578,7 +578,7 @@
 	  performed before booting. This enables the drivers in post/drivers
 	  as part of an SPL build.
 
-config SPL_RESET_SUPPORT
+config SPL_DM_RESET
 	bool "Support reset drivers"
 	depends on SPL
 	help