[PATCH v3 8/8] machine_aspeed.py: update to test network for AST2700

[Jamin Lin]

Update test case to test network connection via SSH.

Test command:
```
cd build
pyvenv/bin/avocado run 
../qemu/tests/avocado/machine_aspeed.py:AST2x00MachineSDK.test_aarch64_ast2700_evb_sdk_v09_02
```

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
---
 tests/avocado/machine_aspeed.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tests/avocado/machine_aspeed.py b/tests/avocado/machine_aspeed.py
index 13fe128fc9..f66ad38d35 100644
--- a/tests/avocado/machine_aspeed.py
+++ b/tests/avocado/machine_aspeed.py
@@ -313,14 +313,14 @@ def do_test_arm_aspeed_sdk_start(self, image):
 
     def do_test_aarch64_aspeed_sdk_start(self, image):
         self.vm.set_console()
-        self.vm.add_args('-drive', 'file=' + image + ',if=mtd,format=raw')
+        self.vm.add_args('-drive', 'file=' + image + ',if=mtd,format=raw',
+                         '-net', 'nic', '-net', 
'user,hostfwd=:127.0.0.1:0-:22')
 
         self.vm.launch()
 
         self.wait_for_console_pattern('U-Boot 2023.10')
         self.wait_for_console_pattern('## Loading kernel from FIT Image')
         self.wait_for_console_pattern('Starting kernel ...')
-        self.wait_for_console_pattern("systemd[1]: Hostname set to")
 
     @skipUnless(os.getenv('QEMU_TEST_FLAKY_TESTS'), 'Test is unstable on 
GitLab')
 
@@ -436,4 +436,6 @@ def test_aarch64_ast2700_evb_sdk_v09_02(self):
 
         self.vm.add_args('-smp', str(num_cpu))
         self.do_test_aarch64_aspeed_sdk_start(image_dir + 'image-bmc')
+        self.wait_for_console_pattern('nodistro.0 ast2700-default ttyS12')
+        self.ssh_connect('root', '0penBmc', False)
 
-- 
2.34.1