dm: core: fix typo in SPL_DM_WARN prompt text

It should read "in SPL" and not "wuth SPL".

Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
index 754649f..1a7be4d 100644
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -56,7 +56,7 @@
 	  out - it will do nothing when called.
 
 config SPL_DM_WARN
-	bool "Enable warnings in driver model wuth SPL"
+	bool "Enable warnings in driver model in SPL"
 	depends on SPL_DM
 	help
 	  Enable this to see warnings related to driver model in SPL