dm: core: Fix Kconfig text to mention SPL in SPL_OF_TRANSLATE

Add a remark about SPL to this Kconfig option. Otherwise its identitcal
to the non-SPL version, which is confusing.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Michal Simek <michal.simek@xilinx.com>

drivers/core/Kconfig

@@ -155,7 +155,7 @@ config OF_TRANSLATE
 	  smaller in size than fdt_translate_address().
 
 config SPL_OF_TRANSLATE
-	bool "Translate addresses using fdt_translate_address"
+	bool "Translate addresses using fdt_translate_address in SPL"
 	depends on SPL_DM && SPL_OF_CONTROL
 	default n
 	help