[ALSA] ASoC AT91xxxx build fix

This patch by Frank Madarino updates the AT91xxxx Makefile and Kconfig
to build the renamed SSC files.
Changes:-
o Rename various i2s labels to ssc
Signed-off-by: NFrank Mandarino <fmandarino@endrelia.com>
Signed-off-by: NLiam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

sound/soc/at91/Kconfig

@@ -6,13 +6,13 @@ config SND_AT91_SOC
 	  the AT91 SSC interface. You will also need
 	  to select the audio interfaces to support below.
 
-config SND_AT91_SOC_I2S
+config SND_AT91_SOC_SSC
 	tristate
 
 config SND_AT91_SOC_ETI_B1_WM8731
-	tristate "SoC I2S Audio support for WM8731-based Endrelia ETI-B1 boards"
+	tristate "SoC Audio support for WM8731-based Endrelia ETI-B1 boards"
 	depends on SND_AT91_SOC && (MACH_ETI_B1 || MACH_ETI_C1)
-	select SND_AT91_SOC_I2S
+	select SND_AT91_SOC_SSC
 	select SND_SOC_WM8731
 	help
 	  Say Y if you want to add support for SoC audio on WM8731-based

sound/soc/at91/Makefile

 # AT91 Platform Support
 snd-soc-at91-objs := at91-pcm.o
-snd-soc-at91-i2s-objs := at91-i2s.o
+snd-soc-at91-ssc-objs := at91-ssc.o
 
 obj-$(CONFIG_SND_AT91_SOC) += snd-soc-at91.o
-obj-$(CONFIG_SND_AT91_SOC_I2S) += snd-soc-at91-i2s.o
+obj-$(CONFIG_SND_AT91_SOC_SSC) += snd-soc-at91-ssc.o
 
 # AT91 Machine Support
 snd-soc-eti-b1-wm8731-objs := eti_b1_wm8731.o