[ARM] 4528/1: [HP Jornada 7XX] - Fix typo in jornada720_ssp.c

Fixes TxDummy -> TXDUMMY typo. Makes Jornada720_ssp.c compile nicely again.
Signed-off-by: NKristoffer Ericson <Kristoffer.Ericson@gmail.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-sa1100/jornada720_ssp.c

@@ -161,7 +161,7 @@ static int __init jornada_ssp_probe(struct platform_device *dev)
 	ret = jornada_ssp_inout(GETBRIGHTNESS);
 
 	/* seems like it worked, just feed it with TxDummy to get rid of data */
-	if (ret == TxDummy)
+	if (ret == TXDUMMY)
 		jornada_ssp_inout(TXDUMMY);
 
 	jornada_ssp_end();