[ARM] 4527/1: pxa: fix pxa27x ac97 cold reset in ASoC due to CKEN change

due to CKEN_xxx definition and pxa_set_cken() change,  the pxa27x
ac97 cold reset is broken in ASoC, fixed to use bit index instead
of bit mask

Signed-off-by: eric miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

sound/soc/pxa/pxa2xx-ac97.c

@@ -160,9 +160,9 @@ static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
 	gsr_bits = 0;
 #ifdef CONFIG_PXA27x
 	/* PXA27x Developers Manual section 13.5.2.2.1 */
-	pxa_set_cken(1 << 31, 1);
+	pxa_set_cken(31, 1);
 	udelay(5);
-	pxa_set_cken(1 << 31, 0);
+	pxa_set_cken(31, 0);
 	GCR = GCR_COLD_RST;
 	udelay(50);
 #else