app/sample.yml: add MTL and LNL to Zephyr CI

This will catch earlier compile-time regressions like this one:
zephyrproject-rtos/zephyr#61166 (comment)

Zephyr commit 06cfbd4159fd ("drivers: power_domain: Introduce a gpio
monitor driver")

Signed-off-by: Marc Herbert <marc.herbert@intel.com>

app/sample.yaml

@@ -1,3 +1,4 @@
+---
 sample:
  description: Audio with SOF
  name: sof
@@ -9,10 +10,14 @@ tests:
  sample.audio.sof:
  tags: sof
  build_only: true
- platform_allow: intel_adsp_cavs25 nxp_adsp_imx8 nxp_adsp_imx8x nxp_adsp_imx8m
+ platform_allow:
+ intel_adsp_cavs25 intel_adsp_ace15_mtpm intel_adsp_ace20_lnl
+ nxp_adsp_imx8 nxp_adsp_imx8x nxp_adsp_imx8m
 
  integration_platforms:
- - intel_adsp_cavs25
+ - intel_adsp_cavs25 # TGL
+ - intel_adsp_ace15_mtpm # MTL
+ - intel_adsp_ace20_lnl
  - nxp_adsp_imx8
  - nxp_adsp_imx8x
  - nxp_adsp_imx8m