ethernet: marvell: octeontx2 Fix resource not freed after malloc

commit e0cd2e7a4bbf53cae5436d0b74799c883e39f917 from
git@git.assembla.com:cavium/WindRiver.linux.git

fix rxsc and txsc not getting freed before going out of scope

Change-Id: I4d869479dd538b4565b0e52e2fd9bb97d461249c
Fixes: 933948200312 ("octeontx2-pf: mcs: Introduce MACSEC hardware offloading")
Signed-off-by: Manank Patel <pmanank200502@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Reviewed-on: https://sj1git1.cavium.com/c/IP/SW/kernel/linux/+/92155


Tested-by: sa_ip-sw-jenkins <sa_ip-sw-jenkins@marvell.com>
Reviewed-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>