Invalid equality expressions in twi_pins.c

[jvasileff]

Compiling with warnings enabled exposed a couple of expressions that will never evaluate to true because 0x01 will never equal 0x00 or 0x10

lib/megaTinyCore/megaavr/libraries/Wire/src/twi_pins.c: In function 'TWI0_usePullups':
lib/megaTinyCore/megaavr/libraries/Wire/src/twi_pins.c:443:16: warning: bitwise comparison always evaluates to false [-Wtautological-compare]
  443 |       if (true == (PORTMUX.CTRLB & PORTMUX_TWI0_bm)) {
      |                ^~
lib/megaTinyCore/megaavr/libraries/Wire/src/twi_pins.c: In function 'TWI0_checkPinLevel':
lib/megaTinyCore/megaavr/libraries/Wire/src/twi_pins.c:494:16: warning: bitwise comparison always evaluates to false [-Wtautological-compare]
  494 |       if (true == (PORTMUX.CTRLB & PORTMUX_TWI0_bm)) {
      |                ^~