samsung: usb: Drop ohci-s3c24xx driver

This is not used anymore. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/common.h b/include/common.h
index fb4e79b..4707686 100644
--- a/include/common.h
+++ b/include/common.h
@@ -646,8 +646,7 @@
 #if defined(CONFIG_MPC5xxx)
 int	prt_mpc5xxx_clks (void);
 #endif
-#if defined(CONFIG_S3C24X0) || \
-    defined(CONFIG_LH7A40X) || \
+#if defined(CONFIG_LH7A40X) || \
     defined(CONFIG_EP93XX)
 ulong	get_FCLK (void);
 ulong	get_HCLK (void);