ARM: S3C: Fix adc function exports

Fix the export of s3c_adc_read.

Signed-off-by: Ryan Mallon <ryan@bluewatersys.com>
[ben-linux@fluff.org: remove unexport of s3c_adc_start, needed for ts]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c
index 4d36b78..df47322 100644
--- a/arch/arm/plat-s3c24xx/adc.c
+++ b/arch/arm/plat-s3c24xx/adc.c
@@ -189,7 +189,7 @@
 err:
 	return ret;
 }
-EXPORT_SYMBOL_GPL(s3c_adc_convert);
+EXPORT_SYMBOL_GPL(s3c_adc_read);
 
 static void s3c_adc_default_select(struct s3c_adc_client *client,
 				   unsigned select)