Update readme.md

Add a bunch more revision codes

readme.md

 eeprom database
 ------------
 
+BeagleBoard.org BeagleBone (original bone/white):
+
+      A4: [aa 55 33 ee 41 33 33 35  42 4f 4e 45 30 30 41 34 |.U3.A335BONE00A4|]
+      A5: [aa 55 33 ee 41 33 33 35  42 4f 4e 45 30 30 41 35 |.U3.A335BONE00A5|]
+      A6: [aa 55 33 ee 41 33 33 35  42 4f 4e 45 30 30 41 36 |.U3.A335BONE00A6|]
+     A6A: [aa 55 33 ee 41 33 33 35  42 4f 4e 45 30 41 36 41 |.U3.A335BONE0A6A|]
+     A6B: [aa 55 33 ee 41 33 33 35  42 4f 4e 45 30 41 36 42 |.U3.A335BONE0A6B|]
+       B: [aa 55 33 ee 41 33 33 35  42 4f 4e 45 30 30 30 42 |.U3.A335BONE000B|]
+
 BeagleBoard.org or Element14 BeagleBone Black:
 
      A5A: [aa 55 33 ee 41 33 33 35  42 4e 4c 54 30 41 35 41 |.U3.A335BNLT0A5A|]
@@ -8,10 +17,15 @@ BeagleBoard.org or Element14 BeagleBone Black:
      A5C: [aa 55 33 ee 41 33 33 35  42 4e 4c 54 30 41 35 43 |.U3.A335BNLT0A5C|]
       A6: [aa 55 33 ee 41 33 33 35  42 4e 4c 54 30 30 41 36 |.U3.A335BNLT00A6|]
        C: [aa 55 33 ee 41 33 33 35  42 4e 4c 54 30 30 30 43 |.U3.A335BNLT000C|]
+       
+BeagleBoard.org BeagleBone Blue:
+
+      A0: [aa 55 33 ee 41 33 33 35  42 4e 4c 54 42 4c 41 30 |.U3.A335BNLTBLA0|]
 
 SeeedStudio BeagleBone Green:
 
       1A: [aa 55 33 ee 41 33 33 35  42 4e 4c 54 1a 00 00 00 |.U3.A335BNLT....|]
+     W1A: [aa 55 33 ee 41 33 33 35  42 4e 4c 54 47 57 31 41 |.U3.A335BNLTGW1A|]
 
 Arrow BeagleBone Black Industrial: