implement cardPower for US-P and US-L (add nextion2text)

HMI/n2t-out-visual/cardQR.txt

@@ -956,6 +956,7 @@ Timer tmSerial
                                         spstr strCommand.txt,tTmp.txt,"~",2
                                         //save third arg if there's one
                                         spstr strCommand.txt,pageIcons.tTmp2.txt,"~",3
+                                        spstr strCommand.txt,pageIcons.tTmp3.txt,"~",4
                                         //we are going to exit this page with this command, so we have to clear the buffer, so we are not getting into a stupid loop ...
                                         udelete payloadLength-1
                                         bufferPos=0