firmware: mub: check octeontx_soc_check_smc() return value

commit 94c5471495b3292e51e676ee155abe6b690b3c83 from
git@git.assembla.com:cavium/WindRiver.linux.git

Check the return value of octeontx_soc_check_smc() for T9x
and cn10x.

Signed-off-by: Piyush Malgujar <pmalgujar@marvell.com>
Change-Id: I5a0a2893963204b48a864f8db393fbf0c45f85b8
Reviewed-on: https://sj1git1.cavium.com/c/IP/SW/kernel/linux/+/120944
Tested-by: sa_ip-sw-jenkins <sa_ip-sw-jenkins@marvell.com>
Reviewed-by: Chandrakala Chavva <cchavva@marvell.com>
Signed-off-by: Ruiqiang Hao <Ruiqiang.Hao@windriver.com>