ARM: OMAP4: board-4430sdp: Register platform device for digimic codec

OMAP4 SDP/Blaze boards have onboard digital microphones.
Register the platform device for the dmic-codec to be
able to use the microphones.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/board-4430sdp.c

@@ -372,11 +372,17 @@ static struct platform_device sdp4430_vbat = {
 	},
 };
 
+static struct platform_device sdp4430_dmic_codec = {
+	.name	= "dmic-codec",
+	.id	= -1,
+};
+
 static struct platform_device *sdp4430_devices[] __initdata = {
 	&sdp4430_gpio_keys_device,
 	&sdp4430_leds_gpio,
 	&sdp4430_leds_pwm,
 	&sdp4430_vbat,
+	&sdp4430_dmic_codec,
 };
 
 static struct omap_musb_board_data musb_board_data = {