boot_sector_init() won't be used by arm/virt board, so move it from
global scope to x86 branch that uses it.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
v3:
  - fix checkpatch errors triggered by moved old code (ident/space/braces)
---
 tests/bios-tables-test.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c
index e944d00..5790ee4 100644
--- a/tests/bios-tables-test.c
+++ b/tests/bios-tables-test.c
@@ -786,13 +786,14 @@ int main(int argc, char *argv[])
     const char *arch = qtest_get_arch();
     int ret;
 
-    ret = boot_sector_init(disk);
-    if(ret)
-        return ret;
-
     g_test_init(&argc, &argv, NULL);
 
     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
+        ret = boot_sector_init(disk);
+        if (ret) {
+            return ret;
+        }
+
         qtest_add_func("acpi/piix4", test_acpi_piix4_tcg);
         qtest_add_func("acpi/piix4/bridge", test_acpi_piix4_tcg_bridge);
         qtest_add_func("acpi/q35", test_acpi_q35_tcg);
-- 
2.7.4