Add ISO versions for t530 and w530 for testing boot failures

Descriptions.txt

@@ -106,7 +106,7 @@ g4uj32us.iso  sha1:f86c7402fb57038143c81aa90ced615e95369844 t530 and t530i BIOS
 g4uj34us.iso  sha1:TODO
 g4uj35us.iso  sha1:TODO
 g4uj36us.iso  sha1:TODO
-g4uj37us.iso  sha1:TODO
+g4uj37us.iso  sha1:570abc63d8c782475ad3b8938945952cd12467c1 t530 and t530i BIOS 2.73 (G4ETB3WW) EC 1.13 (G4HT39WW)
 g4uj38us.iso  sha1:49dc772e34a1cd673922bc978fa29af39854641e t530 and t530i BIOS 2.74 (G4ETB4WW) EC 1.13 (G4HT39WW)
 g5uj28us.iso  sha1:4ed559b7c66957c3c66ca3f8c85c37a0e181da2a w530 BIOS 2.65 (G5ETA5WW) EC 1.13 (G4HT39WW)
 g5uj30us.iso  sha1:d714e0f431ffb316bebb72d39ecdb0a19ade6836 w530 BIOS 2.67 (G5ETA7WW) EC 1.13 (G4HT39WW)
@@ -114,6 +114,7 @@ g5uj32us.iso  sha1:FIXME w530 BIOS 2.69 (G5ETA8WW) EC 1.13 (G4HT39WW)
 g5uj33us.iso  sha1:FIXME w530 BIOS 2.70 (G5ETB0WW) EC 1.13 (G4HT39WW)
 g5uj34us.iso  sha1:FIXME w530 BIOS 2.71 (G5ETB1WW) EC 1.13 (G4HT39WW)
 g5uj35us.iso  sha1:efc6a8473d1a6379b9ec1573cf54095db10d583c w530 BIOS 2.72 (G5ETB2WW) EC 1.13 (G4HT39WW)
+g5uj36us.iso  sha1:f0bd34614aed820d23d7f2ff86dddf93512f83d7 w530 BIOS 2.73 (G5ETB3WW) EC 1.13 (G4HT39WW)
 g6uj24us.iso  sha1:9dba2945eff1eb387bc24f479e68eb401e3cc4ee x1 Carbon (Type 34xx - Gen1) BIOS 2.76 (G6ETB6WW) EC 1.06 (G6HT24WW)
 g7uj18us.iso  sha1:418bdab59ed0cf8da52078c1f2949f3fec441f0b t430s BIOS 2.64 (G7ETA4WW) EC 1.15 (G7HT39WW)
 g7uj19us.iso  sha1:be900c38e185831ae5fa93266a806bb394ba7ac7 t430s BIOS 2.65 (G7ETA5WW) EC 1.15 (G7HT39WW)