arch/risc-v/src/common/espressif: Aligned Cmake with Make

[simbit18]

Summary

Add:

• replace rmtchar with arch-specific lirc adapter espressif/rmt: replace rmtchar with arch-specific lirc adapter #18654

Impact

Impact on user: NO

Impact on build: This PR Aligned Cmake with Make

Impact on hardware: NO

Impact on documentation: NO

Impact on security: NO

Impact on compatibility: NO

Testing

GitHub

esp32c6-devkitc:rmt

[1374/1374] Running utility command for nuttx_post_build
-- Generate NuttX image (esptool elf2image)
esptool v5.2.0
Creating ESP32-C6 image...
Image has only RAM segments visible. ROM segments are hidden and SHA256 digest is not appended.
Note: Inserting 47720 bytes padding between .flash.text and .flash.rodata
Note: Inserting 4 bytes padding between .iram0.text and .dram0.data
Merged 2 ELF sections.
Successfully created ESP32-C6 image.
-- Generated: nuttx.bin
artifactconfigdir: /github/workspace/buildartifacts/esp32c6-devkitc/rmt/

https://github.com/simbit18/manual-nuttx-ci/actions/runs/24236119188/job/70759104826#logs