_Testing issues_

Branch: tags/v20.11

abfe2cb0b40b3ceeb44df642c9d28a06bdfc9fb4 --> testing fail

Test environment and result as below:

+-----------------------------+----------+
|         Environment         | abi_test |
+=============================+==========+
| Ubuntu 20.04 ARM GCC Native | FAIL     |
+-----------------------------+----------+

==== 20 line log output for Ubuntu 20.04 ARM GCC Native (abi_test): ====
../examples/vm_power_manager/channel_manager.c:1010:2: warning: nested extern declaration of ‘RTE_TAILQ_FOREACH_SAFE’ [-Wnested-externs]
../examples/vm_power_manager/channel_manager.c:1010:35: error: ‘vm_list_head’ undeclared (first use in this function)
1010 |  RTE_TAILQ_FOREACH_SAFE(vm_info, &vm_list_head, vms_info, tmp) {
|                                   ^~~~~~~~~~~~
../examples/vm_power_manager/channel_manager.c:1010:49: error: ‘vms_info’ undeclared (first use in this function); did you mean ‘vm_info’?
1010 |  RTE_TAILQ_FOREACH_SAFE(vm_info, &vm_list_head, vms_info, tmp) {
|                                                 ^~~~~~~~
|                                                 vm_info
../examples/vm_power_manager/channel_manager.c:1010:63: error: expected ‘;’ before ‘{’ token
1010 |  RTE_TAILQ_FOREACH_SAFE(vm_info, &vm_list_head, vms_info, tmp) {
|                                                               ^~
|                                                               ;
../examples/vm_power_manager/channel_manager.c:1007:7: warning: unused variable ‘mask’ [-Wunused-variable]
1007 |  char mask[RTE_MAX_LCORE];
|       ^~~~
../examples/vm_power_manager/channel_manager.c:1006:11: warning: unused variable ‘i’ [-Wunused-variable]
1006 |  unsigned i;
|           ^
[2719/2744] Linking target examples/dpdk-efd_server
ninja: build stopped: subcommand failed.
==== End log output ====

Ubuntu 20.04 ARM GCC Native
	Kernel: 5.4.0-53-generic
	Compiler: gcc 9.3

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/tarballs/22493/

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