driver: marvell: soc: Update octtx_info to display sdk-version

commit b8a327d42e26a9b4be70defb6dfba5fd8018c254 from
git@git.assembla.com:cavium/WindRiver.linux.git

Retrieve sdk-version from linux dts file and show the SDK release
version details

Signed-off-by: Chandrakala Chavva <Chandrakala.Chavva@cavium.com>
Change-Id: I74339dcd4f68441676227cc7e60459116444e515
Reviewed-on: https://sj1git1.cavium.com/c/IP/SW/kernel/linux/+/70279
Tested-by: sa_ip-sw-jenkins <sa_ip-sw-jenkins@marvell.com>
Reviewed-by: Chandrakala Chavva <cchavva@marvell.com>
Reviewed-by: Damian Eppel <deppel@marvell.com>
Signed-off-by: Ruiqiang Hao <Ruiqiang.Hao@windriver.com>