Dedup $(HW_OBJS)
Dedup $(HW_OBJS)

How did I notice one dup in aa56d9a2abdb ("Remove duplicate npu-common.o
from $(HW_OBJS)"), but not the other five? Remove them too.

Signed-off-by: Reza Arbab <4c896a97e6b998365c2d50a267b0f1ca5f7995de@linux.ibm.com>
Reviewed-by: Alistair Popple <e9adbcf81c8a36ccc628e09bc92d0e25e1c8e501@popple.id.au>
Reviewed-by: Andrew Donnellan <44ca8c041ed925606732b2a0f30e5b73c32761a8@linux.ibm.com>
Signed-off-by: Oliver O'Halloran <3dfaff8fa6ae977f042064a112a6aac576279b9b@gmail.com>

legoater/skiboot,qemu/skiboot,open-power/skiboot,shenki/skiboot,legoater/skiboot,shenki/skiboot,qemu/skiboot,open-power/skiboot,shenki/skiboot,shenki/skiboot,open-power/skiboot,shenki/skiboot,legoater/skiboot,qemu/skiboot,open-power/skiboot,qemu/skiboot,legoater/skiboot,legoater/skiboot,open-power/skiboot,qemu/skiboot