acpi: Enable pxb unit-test for ARM virt machine

No matter whether the pxb is enabled or not, the CONFIG_PXB macro in test
would keep undefined. And since pxb is now enabled for ARM Virt machine
by default, let's enable pxb unit-test by removing the CONFIG_PXB.

Acked-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Jiahui Cen <cenjiahui@huawei.com>
Message-Id: <20210114100643.10617-8-cenjiahui@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

tests/qtest/bios-tables-test.c

@@ -1196,7 +1196,6 @@ static void test_acpi_virt_tcg_numamem(void)
 
 }
 
-#ifdef CONFIG_PXB
 static void test_acpi_virt_tcg_pxb(void)
 {
     test_data data = {
@@ -1228,7 +1227,6 @@ static void test_acpi_virt_tcg_pxb(void)
 
     free_test_data(&data);
 }
-#endif
 
 static void test_acpi_tcg_acpi_hmat(const char *machine)
 {
@@ -1342,9 +1340,7 @@ int main(int argc, char *argv[])
         qtest_add_func("acpi/virt", test_acpi_virt_tcg);
         qtest_add_func("acpi/virt/numamem", test_acpi_virt_tcg_numamem);
         qtest_add_func("acpi/virt/memhp", test_acpi_virt_tcg_memhp);
-#ifdef CONFIG_PXB
         qtest_add_func("acpi/virt/pxb", test_acpi_virt_tcg_pxb);
-#endif
     }
     ret = g_test_run();
     boot_sector_cleanup(disk);