UP 258 extension properties

These devices support following subsystem-specific extensions:

• Configure: UP 258 (PrphDev - subsystem-specific extension)
• Switch on/off delay (BI - subsystem-specific extension)
• Configure: UP 258 wide PIR (PrphDev - subsystem-specific extension)
• Configure: UP 258 wide US (PrphDev - subsystem-specific extension)