uninitalized warning when ASAN enabled in hns3 PMD

https://bugs.dpdk.org/show_bug.cgi?id=1442

            Bug ID: 1442
           Summary: uninitalized warning when ASAN enabled in hns3 PMD
           Product: DPDK
           Version: 24.03
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: [email protected]
          Reporter: [email protected]

Target Milestone: ---

Was building DPDK with address sanitizer (for other tests). The commands were:

 $ meson setup build -Db_sanitize=address
The Meson build system
Version: 1.4.0
Source dir: /home/shemminger/DPDK/sw-stats
Build dir: /home/shemminger/DPDK/sw-stats/build
Build type: native build
Program cat found: YES (/usr/bin/cat)
Project name: DPDK
Project version: 24.07.0-rc0
C compiler for the host machine: cc (gcc 13.2.0 "cc (Debian 13.2.0-24) 13.2.0")
C linker for the host machine: cc ld.bfd 2.42
Host machine cpu family: x86_64
Host machine cpu: x86_64

...

$ ninja -C build

[1523/2949] Compiling C object drivers/libtmp_rte_net_hns3.a.p/net_hns3_hns3_ethdev.c.o In function ‘hns3_fec_get_internal’,
inlined from ‘hns3_query_dev_fec_info’ at
../drivers/net/hns3/hns3_ethdev.c:6268:8,
inlined from ‘hns3_get_configuration’ at
../drivers/net/hns3/hns3_ethdev.c:2883:8,

    inlined from ‘hns3_init_pf’ at ../drivers/net/hns3/hns3_ethdev.c:4630:8,
    inlined from ‘hns3_dev_init’ at ../drivers/net/hns3/hns3_ethdev.c:6567:8:

../drivers/net/hns3/hns3_ethdev.c:6061:20: warning: ‘auto_state’ may be used uninitialized [-Wmaybe-uninitialized]
6061 | if (auto_state == 0x1) {
| ^
../drivers/net/hns3/hns3_ethdev.c: In function ‘hns3_dev_init’:
../drivers/net/hns3/hns3_ethdev.c:6047:17: note: ‘auto_state’ was declared here

 6047 |         uint8_t auto_state;
      |                 ^~~~~~~~~~

This is alos a CI bug since CI should be build with ASAN in one of its configs!

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