[][openwrt][common][bsp][Fix dsa patch format issue]

[Description]
Fix dsa patch format issue to make it also work on RDKB SDK

[Release-log]
N/A

Change-Id: Ibdb4773c940c4d005ef7d06fd370c760e6ebced7
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6956663
diff --git a/target/linux/mediatek/patches-5.4/752-net-dsa-phy-coverity-scan.patch b/target/linux/mediatek/patches-5.4/752-net-dsa-phy-coverity-scan.patch
index 5d061cf..17921e8 100755
--- a/target/linux/mediatek/patches-5.4/752-net-dsa-phy-coverity-scan.patch
+++ b/target/linux/mediatek/patches-5.4/752-net-dsa-phy-coverity-scan.patch
@@ -171,4 +171,5 @@
 +	int ret = 0;
  	int i;
  
- 	mt7531_phy_setting(ds);
\ No newline at end of file
+ 	mt7531_phy_setting(ds);
+