Add new target AOCODARCF7DUAL

[dlt2018]

The code was compiled to version 4.1.0 firmware and has been tested for flight。

[DzikuVx]

@dlt2018 The build is failing on the AOCODARCF7DUAL target. Please fix

/home/runner/work/inav/inav/src/main/target/AOCODARCF7DUAL/target.c:34:23: error: conflicting types for 'timerHardware'
   34 | const timerHardware_t timerHardware[] = {
      |                       ^~~~~~~~~~~~~
In file included from /home/runner/work/inav/inav/src/main/target/AOCODARCF7DUAL/target.c:25:
/home/runner/work/inav/inav/src/main/drivers/timer.h:139:24: note: previous declaration of 'timerHardware' was here
  139 | extern timerHardware_t timerHardware[];
      |                        ^~~~~~~~~~~~~

[dlt2018]

@dlt2018在 AOCODARCF7DUAL 目标上构建失败。请修复

/home/runner/work/inav/inav/src/main/target/AOCODARCF7DUAL/target.c:34:23: error: conflicting types for 'timerHardware'
   34 | const timerHardware_t timerHardware[] = {
      |                       ^~~~~~~~~~~~~
In file included from /home/runner/work/inav/inav/src/main/target/AOCODARCF7DUAL/target.c:25:
/home/runner/work/inav/inav/src/main/drivers/timer.h:139:24: note: previous declaration of 'timerHardware' was here
  139 | extern timerHardware_t timerHardware[];
      |                        ^~~~~~~~~~~~~

ok, i fixed it.
There was an error because there was an extra “const”,but code compiles without error in my environment?