Correct the wrong -march=-mcpu=armv8.2-a+crc+crypto+lse for
octeontx2 target. Since rte_cc_has_argument drops invalid
CFLAG and -mcpu=octeontx2 picks up the correct optimization,
this typo is not noticed in performance testing.
Fixes: 01d1847987 ("config: add octeontx2 machine")
Cc: stable@dpdk.org
Signed-off-by: Jerin Jacob <jerinj@marvell.com>