MIPS: DECstation: Checkpatch cleanup

arch/mips/dec/promcon.c:37: ERROR: that open brace { should be on the previous line

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1270/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>