net: ixp4xx: Spelling s/XSacle/XScale/

Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/xscale/Kconfig

@@ -13,7 +13,7 @@ config NET_VENDOR_XSCALE
 
 	  Note that the answer to this question does not directly affect the
 	  kernel: saying N will just cause the configurator to skip all
-	  the questions about XSacle IXP devices. If you say Y, you will be
+	  the questions about XScale IXP devices. If you say Y, you will be
 	  asked for your specific card in the following questions.
 
 if NET_VENDOR_XSCALE