ci: ignore README.md for license check

Ignored README.md for license check.

Signed-off-by: Nawal Kishor <nkishor@marvell.com>
Change-Id: Ibd4f3d40bcd4fd4b631f9dff3f048dc56c2c1811
Reviewed-on: https://sj1git1.cavium.com/c/IP/SW/dataplane/dpu-offload/+/128380
Tested-by: sa_ip-toolkits-Jenkins <sa_ip-toolkits-jenkins@marvell.com>
Reviewed-by: Ashwin Sekhar T K <asekhar@marvell.com>

ci/checkpatch/run_license_check.sh

@@ -19,6 +19,7 @@ IGNORE_FILES=(
 	"DPDK_VERSION"
 	"VERSION"
 	"doc/guides/custom.css"
+	"README.md"
 )
 
 IGNORE_DIRECTORIES=(