Non-parity modes save 56 bytes of heap memory. (esp8266#6882)

dok-net · devyte · commit 8a6a7f7480e9 · 2019-12-05T08:25:44.000-03:00
Hardened code in non-parity mode against setting parity case by case.
Waveform generator is back after one release without.
diff --git a/libraries/SoftwareSerial b/libraries/SoftwareSerial
@@ -1 +1 @@
-Subproject commit 3bfd18d428992b1924eebb28e333ee21d00e9ead
+Subproject commit 9da4d3729a57a181307bf9acf73473d052a38874
