MIPS: Netlogic: Core wakeup improvements

Move wakeup to after early console. This will allow us to display error
messages when cores are not woken up.  Also reduce the wait time for core
to come up.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6303/