dfu: Rename _FUNCTION_DFU to DFU_OVER_

Do the following to make the symbol names less confusing.

sed -i "s/\([TU][^_]\+\)_FUNCTION_DFU/DFU_OVER_\1/g" \
	`git grep _FUNCTION_DFU | cut -d ":" -f 1 | sort -u`

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Lukasz Majewski <lukma@denx.de>
diff --git a/include/configs/tegra-common-post.h b/include/configs/tegra-common-post.h
index aea8f1f..3eb9dd2 100644
--- a/include/configs/tegra-common-post.h
+++ b/include/configs/tegra-common-post.h
@@ -11,7 +11,7 @@
 /*
  * Size of malloc() pool
  */
-#ifdef CONFIG_USB_FUNCTION_DFU
+#ifdef CONFIG_DFU_OVER_USB
 #define CONFIG_SYS_MALLOC_LEN	(SZ_4M + \
 					CONFIG_SYS_DFU_DATA_BUF_SIZE + \
 					CONFIG_SYS_DFU_MAX_FILE_SIZE)