[nrf fromlist] samples: bluetooth: Add support for nRF54lm20a to two samples

Add support for nRF54lm20a to the beacon and peripheral_hr samples.

Upstream PR #: 93917

Signed-off-by: Gordon Klaus <[email protected]>

Author: gordonklaus

samples/bluetooth/beacon/sample.yaml

@@ -10,13 +10,15 @@ tests:
       - nrf52dk/nrf52832
       - nrf54l15dk/nrf54l15/cpuapp
       - ophelia4ev/nrf54l15/cpuapp
+      - nrf54lm20dk/nrf54lm20a/cpuapp
     tags: bluetooth
     integration_platforms:
       - qemu_cortex_m3
       - nrf51dk/nrf51822
       - nrf52dk/nrf52832
       - nrf54l15dk/nrf54l15/cpuapp
       - ophelia4ev/nrf54l15/cpuapp
+      - nrf54lm20dk/nrf54lm20a/cpuapp
   sample.bluetooth.beacon-coex:
     extra_args:
       - CONF_FILE="prj-coex.conf"

samples/bluetooth/peripheral_hr/sample.yaml

@@ -15,6 +15,7 @@ tests:
       - nrf5340dk/nrf5340/cpuapp
       - nrf54l15dk/nrf54l15/cpuapp
       - ophelia4ev/nrf54l15/cpuapp
+      - nrf54lm20dk/nrf54lm20a/cpuapp
     integration_platforms:
       - qemu_cortex_m3
       - nrf52_bsim
@@ -25,6 +26,7 @@ tests:
       - nrf5340dk/nrf5340/cpuapp
       - nrf54l15dk/nrf54l15/cpuapp
       - ophelia4ev/nrf54l15/cpuapp
+      - nrf54lm20dk/nrf54lm20a/cpuapp
     tags: bluetooth
   sample.bluetooth.peripheral_hr.minimal:
     harness: bluetooth