MIPS: Netlogic: Initialization when !CONFIG_SMP

MIPS: Netlogic: Initialization when !CONFIG_SMP

The core initialization and reset vector setup needs to be done
even when booting uniprocessor. Move this code from smp.c to setup.c

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5428/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>