npu2: Remove dead code from npu2_cfg_write_bar()
npu2: Remove dead code from npu2_cfg_write_bar()

We assign pci_cmd, but it never gets used. Remove it.

Signed-off-by: Reza Arbab <4c896a97e6b998365c2d50a267b0f1ca5f7995de@linux.ibm.com>
Reviewed-by: Andrew Donnellan <efc2d7c347a094a6ec1d918179e819039044c564@au1.ibm.com>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.ibm.com>

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