Update readme.md

Update the branding and SeeedStudio revision number.

readme.md

 eeprom database
 ------------
 
-BeagleBone Black:
+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|]
     A5B: [aa 55 33 ee 41 33 33 35  42 4e 4c 54 30 41 35 42 |.U3.A335BNLT0A5B|]
@@ -9,9 +9,9 @@ BeagleBone Black:
      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|]
 
-BeagleBone Green:
+SeeedStudio BeagleBone Green:
 
-      1: [aa 55 33 ee 41 33 33 35  42 4e 4c 54 1a 00 00 00 |.U3.A335BNLT....|]
+     1A: [aa 55 33 ee 41 33 33 35  42 4e 4c 54 1a 00 00 00 |.U3.A335BNLT....|]
 
 Scripts to support customized image generation for many arm systems