Brought back old amp so we can figure stuff out
the issue is the output stage is inverting
Add flip flop layout, correct transistor sizes
Merge branch 'amp-investigation'

* amp-investigation:
  Add flip flop layout, correct transistor sizes
  the issue is the output stage is inverting
  Brought back old amp so we can figure stuff out

Conflicts:
	ltspice/spi-interface-test.asc