-Updated STM devices to always run @ 48MHz
Doesn't seem to cause any problems with SNES flashing couple thousand SF2
boards have been flashed with this build without issues
-Added note to usb_operations.c as manf/prod ID can't be read if drivers
aren't installed. Caused issues for Todd as he hadn't installed drivers
for new hardware.
-STM swim operations are working pretty well for SNES v2 and v3 boards
Haven't even touched SWIM on AVR core yet...
SWIM is pretty pin independent but only implemented on EXP0 so far
Reads "ROTF" aren't bullet proof but they're pretty good. Biggest
room for improvement aside from adding a legit pullup would be to have
an interrupt trigger the device header bit falling edge instead of the
current polling method which has decent amount of jitter.
Implementing interrupts would also probably allow for more easily
supporing reads longer than a single byte...