VME: clarify silkscreen for VME base address
Switch to ON: bit set to on. For example:
|*|*|*| |*|
| | | |*| |
is slot 2, so address 2 * 0x80000 = 0x100000
Switch to ON: bit set to on. For example:
|*|*|*| |*|
| | | |*| |
is slot 2, so address 2 * 0x80000 = 0x100000