board: cssi: Fix MCR3000 board environment

Remove a stray semicolon in MCR3000 board environment.

Signed-off-by: Jean-Michel CASAUBON <jean-michel.casaubon@csgroup.eu>
Reviewed-by: DUBOIS Hugo <hugo.dubois.ext@csgroup.eu>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
1 file changed