LoRaWAN 1.1 Rejoin-Requests are discarded

[johanstokking]

Basic Station discards LoRaWAN 1.1 Rejoin-Requests. FType 0b110 is correctly detected, but since the length is 24 bytes (not 23), they are discarded. Code is here:

basicstation/src/lora.c

Lines 107 to 109 in ba4f85d

	if( ftype == FRMTYPE_JREQ || ftype == FRMTYPE_REJOIN ) {
	if( len != OFF_jreq_len)
	goto badframe;