[MTD] [NAND] cafe_nand.c: the OLPC laptop is not available for $100

The price might drop to $100 in a few years.

But currently, a more reasonable name might be "$175 laptop".

Let's simply call it "OLPC laptop" without any price tag.
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>

drivers/mtd/nand/Kconfig

@@ -237,7 +237,7 @@ config MTD_NAND_CAFE
 	select REED_SOLOMON
 	select REED_SOLOMON_DEC16
 	help
-	  Use NAND flash attached to the CAFÉ chip designed for the $100
+	  Use NAND flash attached to the CAFÉ chip designed for the OLPC
 	  laptop.
 
 config MTD_NAND_CS553X