dw1000: added receiver auto-reenable

Src/dw1000.c

@@ -192,6 +192,8 @@ int dw1000_configure(dwt_config_t *config, uint8_t use_otpconfigvalues) {
 
 	dw1000local.sysCFGreg |= (SYS_CFG_PHR_MODE_11 & (config->phrMode << 16)); //Set to enable PhyHdr for long frames
 
+	dw1000local.sysCFGreg |= (1 << 29); //RXAUTR
+
 	dw1000Hal_writeRegister(SYS_CFG_ID, (uint8_t *) &dw1000local.sysCFGreg,
 	SYS_CFG_LEN);