Limit Override on Pokeys 
should be linked to Checkbox "Override Limits" on AXIS view

- pokeysLib.H provides "dev->PEv2.LimitOverrideSetup" (intedned to put the value to pokeys) and "dev->PEv2.LimitOverride" (intended to get the actual value from pokeys)
- uspace/pokeys.c provides HalPins "pokeys.0.PEv2.LimitOverrideSetup" and "pokeys.0.PEv2.LimitOverride" (but it needs to be ensured that these pins already set the values on pokeys accordingly)
- linuxcnc provides "halui.joint.#.override-limits" to override limits on corresponding joint. additionally there is "halui.joint.selected.override-limits"
- required to check if the "dev->PEv2.LimitOverrideSetup" is Bitmapped to seperate Axes or an overall setting. (could require additionl Digout/Digin for each pev2.#)
add info:
10 bit OUT 0x00000000 halui.joint.#.override-limits
10 bit OUT 0x00000000 halui.joint.selected.override-limits
34 u32 I/O 0x00000000 pokeys.0.PEv2.LimitOverride
34 u32 I/O 0x00000000 pokeys.0.PEv2.LimitOverrideSetup
Limit Override on Pokeys
should be linked to Checkbox "Override Limits" on AXIS view

add info:
10 bit OUT 0x00000000 halui.joint.#.override-limits
10 bit OUT 0x00000000 halui.joint.selected.override-limits
34 u32 I/O 0x00000000 pokeys.0.PEv2.LimitOverride
34 u32 I/O 0x00000000 pokeys.0.PEv2.LimitOverrideSetup