[nrf fromlist] samples: drivers: adc: Enable samples for nrf54h20 PPR.

Fill in necessary config files with platforms data.

Upstream PR #: 97110

Signed-off-by: Bartlomiej Buczek <[email protected]>

Author: nordic-babu

samples/drivers/adc/adc_dt/sample.yaml

@@ -16,6 +16,7 @@ tests:
       - nrf51dk/nrf51822
       - nrf52840dk/nrf52840
       - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpuppr
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
       - ophelia4ev/nrf54l15/cpuapp

samples/drivers/adc/adc_sequence/sample.yaml

@@ -19,6 +19,7 @@ tests:
       - cy8cproto_062_4343w
       - nrf52840dk/nrf52840
       - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpuppr
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
       - ophelia4ev/nrf54l15/cpuapp
@@ -32,6 +33,7 @@ tests:
   sample.drivers.adc.adc_sequence.8bit:
     platform_allow:
       - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpuppr
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
     integration_platforms: