Group boot-up B values

Author: dmitry-shechtman

hardware.inc

@@ -1038,9 +1038,7 @@ def BOOTUP_A_MGB equ $FF
     def BOOTUP_A_SGB2 equ BOOTUP_A_MGB
 
 ; Register B = CPU qualifier
-def BOOTUP_B_DMG0 equ $FF
-
-; Register B = CPU qualifier (if A is BOOTUP_A_CGB)
+def BOOTUP_B_DMG0  equ $FF
 def B_BOOTUP_B_AGB equ 0
 
 ; Register C = CPU qualifier