servo library: Moved the 6-byte servoAssignment array from PDATA to XDATA.  Simplified the ISR a little bit.
servo library: Moved the 6-byte servoAssignment array from PDATA to XDATA.  Simplified the ISR a little bit.

attackcrow/wixel,StephenBlackWasAlreadyTaken/wixel-xDrip,raduiliescu/wixel-DexDrip,attackcrow/wixel,markncooper/burnerlight,raduiliescu/wixel-DexDrip,markncooper/burnerlight,StephenBlackWasAlreadyTaken/wixel-xDrip,kevinwchang/wixel-sdk,attackcrow/wixel,StephenBlackWasAlreadyTaken/wixel-xDrip,jamorham/wixel-xDrip,pdg137/wixel-sdk,novagannas/wixel-xDrip,sm6xmm/wixel-xDrip,kevinwchang/wixel-sdk,markncooper/burnerlight,pdg137/wixel-sdk,jamorham/wixel-xDrip,sm6xmm/wixel-xDrip,Cagier/wixel-xDrip,attackcrow/wixel,novagannas/wixel-xDrip,Cagier/wixel-xDrip,sm6xmm/wixel-xDrip,novagannas/wixel-xDrip,saercnap/wixel-DexDrip,jamorham/wixel-xDrip,Cagier/wixel-xDrip,saercnap/wixel-DexDrip,kevinwchang/wixel-sdk,sm6xmm/wixel-xDrip,saercnap/wixel-DexDrip,raduiliescu/wixel-DexDrip,pdg137/wixel-sdk,jamorham/wixel-xDrip