[jallib/jallib] 811be2: Small updates of glcd_ssd1306 and rtc_ds3231 library.

[Rob Jansen]

Branch: refs/heads/master
Home: https://github.com/jallib/jallib
Commit: 811be221b65ca95a6831b5dfc675208a6945d420
https://github.com/jallib/jallib/commit/811be221b65ca95a6831b5dfc675208a6945d420
Author: Rob Jansen <12682653+R...@users.noreply.github.com>
Date: 2022-02-24 (Thu, 24 Feb 2022)

Changed paths:
M include/external/lcd/glcd_ssd1306.jal
M include/external/rtc/rtc_ds3231.jal

Log Message:
-----------
Small updates of glcd_ssd1306 and rtc_ds3231 library.

Only define relevant pins when not previously defined. This makes it possible to include more libraries that use I2C.