[CC1101] Fixed version register check (#208)

src/modules/CC1101/CC1101.cpp

@@ -753,7 +753,7 @@ uint8_t CC1101::random() {
 
 
 int16_t CC1101::getChipVersion() {
-  return(_mod->SPIgetRegValue(CC1101_REG_VERSION));
+  return(SPIgetRegValue(CC1101_REG_VERSION));
 }
 
 int16_t CC1101::config() {