nrf/timer: Fix disabling Timer 1 when using soft PWM.
nrf/timer: Fix disabling Timer 1 when using soft PWM.

Don't exclude the Timer instance 1 entry from machine_timer_obj[] when
using soft PWM. The usage is already checked when creating the Timer,
so just create an empty entry.

bvernoux/micropython,bvernoux/micropython,henriknelson/micropython,tobbad/micropython,pozetroninc/micropython,MrSurly/micropython,pramasoul/micropython,trezor/micropython,tobbad/micropython,pramasoul/micropython,selste/micropython,pozetroninc/micropython,MrSurly/micropython,pozetroninc/micropython,selste/micropython,trezor/micropython,bvernoux/micropython,pozetroninc/micropython,tobbad/micropython,adafruit/circuitpython,henriknelson/micropython,selste/micropython,kerneltask/micropython,tobbad/micropython,MrSurly/micropython,pfalcon/micropython,pramasoul/micropython,kerneltask/micropython,pfalcon/micropython,pramasoul/micropython,selste/micropython,pfalcon/micropython,kerneltask/micropython,trezor/micropython,pfalcon/micropython,adafruit/circuitpython,pramasoul/micropython,MrSurly/micropython,kerneltask/micropython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,tobbad/micropython,MrSurly/micropython,bvernoux/micropython,pozetroninc/micropython,trezor/micropython,henriknelson/micropython,kerneltask/micropython,bvernoux/micropython,pfalcon/micropython,henriknelson/micropython,adafruit/circuitpython,selste/micropython,henriknelson/micropython,trezor/micropython