Not check versions of BIOS. Checking hash is enough.

client/site_tests/hardware_Components/approved_components

Index: client/site_tests/hardware_Components/approved_components
diff --git a/client/site_tests/hardware_Components/approved_components b/client/site_tests/hardware_Components/approved_components
index f003450956364dc47b134f67fc25be258d9cfe84..388e2d1531259ecc67f2e877c102e0c66740b417 100644
--- a/client/site_tests/hardware_Components/approved_components
+++ b/client/site_tests/hardware_Components/approved_components
@@ -9,7 +9,6 @@
     'part_id_3g': ['*'],
     'part_id_gps': ['*'],
     'part_id_audio_codec': ['*'],
-    'part_id_bios': ['*'],
     'part_id_bluetooth': ['*'],
     'part_id_cardreader': ['*'],
     'part_id_chipset': ['*'],
@@ -25,6 +24,7 @@
     'part_id_vga': ['*'],
     'part_id_webcam': ['*'],
     'part_id_wireless': ['*'],
+    'vendor_id_bios': ['*'],
     'vendor_id_touchpad': ['*'],
     'ver_rw_firmware': ['*'],
 }