While building pciutils 3.8.0 for OpenWrt 21.02 includes target
mvebu/cortex-a9, mvebu/cortex-a53 and powerpc/8540, it fails because of
this error:

-I<turris1x/ws/build/staging_dir/toolchain-powerpc_8548_gcc-8.4.0_musl/include>   -c -o filter.o filter.c
{standard input}: Assembler messages:
{standard input}:6: Error: multiple versions [`pci_filter_init@@LIBPCI_3.8'|`pci_filter_init@LIBPCI_3.3'] for symbol `pci_filter_init_v38'
{standard input}:8: Error: multiple versions [`pci_filter_parse_slot@@LIBPCI_3.8'|`pci_filter_parse_slot@LIBPCI_3.3'] for symbol `pci_filter_parse_slot_v38'
{standard input}:10: Error: multiple versions [`pci_filter_parse_id@@LIBPCI_3.8'|`pci_filter_parse_id@LIBPCI_3.3'] for symbol `pci_filter_parse_id_v38'
{standard input}:12: Error: multiple versions [`pci_filter_match@@LIBPCI_3.8'|`pci_filter_match@LIBPCI_3.3'] for symbol `pci_filter_match_v38'
make[4]: *** [<builtin>: filter.o] Error 1
make[4]: Leaving directory '<turris1x/ws/build/build_dir/target-powerpc_8548_musl/pciutils-3.8.0/lib'>
make[3]: *** [Makefile:70: lib/libpci.so.3.8.0] Error 2
make[3]: Leaving directory '<turris1x/ws/build/build_dir/target-powerpc_8548_musl/pciutils-3.8.0'>
make[2]: *** [Makefile:88: <turris1x/ws/build/build_dir/target-powerpc_8548_musl/pciutils-3.8.0/.built]> Error 2
make[2]: Leaving directory '<turris1x/ws/build/feeds/packages/utils/pciutils'>

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>
(cherry picked from commit f08dadd517)