drivers/display/ssd1306.py: Change the SET_COM_PIN_CFG setting.
drivers/display/ssd1306.py: Change the SET_COM_PIN_CFG setting.

Making it more specific to use 0x02 for display with an aspect ratio > 2
(resolutions 96x16 and 128x32) and 0x12 for all other sizes as recommended
by @mcauser.  Tested with a 64x32 display which did not work before.

pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython