[ARM] pxa: add the missing AC97 pin configurations

Missing AC97 pin configurations are added where pxa_set_ac97_info() are
called for all pxa25x/pxa27x platforms. Where no exact configuration is
provided, use the default as in sound/arm/pxa2xx-ac97-lib.c

Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/e800.c b/arch/arm/mach-pxa/e800.c
index aad129b..8ea97bf 100644
--- a/arch/arm/mach-pxa/e800.c
+++ b/arch/arm/mach-pxa/e800.c
@@ -35,6 +35,14 @@
 
 /* ------------------------ e800 LCD definitions ------------------------- */
 
+static unsigned long e800_pin_config[] __initdata = {
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+};
+
 static struct w100_gen_regs e800_lcd_regs = {
 	.lcd_format =            0x00008003,
 	.lcdd_cntl1 =            0x02a00000,
@@ -195,6 +203,7 @@
 
 static void __init e800_init(void)
 {
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(e800_pin_config));
 	pxa_set_ffuart_info(NULL);
 	pxa_set_btuart_info(NULL);
 	pxa_set_stuart_info(NULL);