samples: counter: alarm: revert PR #90709

Due to the lack of the overlays for lots of platforms, bring up the
platform_allow again before the sample ifdef are refined

Signed-off-by: The Nguyen <[email protected]>

Author: thenguyenyf

samples/drivers/counter/alarm/sample.yaml

@@ -16,12 +16,32 @@ common:
   depends_on: counter
 tests:
   sample.drivers.counter.alarm:
-    platform_exclude:
-      - mps2/an385
-      - mimxrt1060_evk@A/mimxrt1062/qspi
-      - mimxrt1060_evk@B/mimxrt1062/qspi
-      - mimxrt1060_evk@C/mimxrt1062/hyperflash
-      - mimxrt1060_evk@C/mimxrt1062/qspi
+    platform_allow:
+      - nucleo_f746zg
+      - nrf51dk/nrf51822
+      - nrf52dk/nrf52832
+      - nrf52840dk/nrf52840
+      - nrf9160dk/nrf9160
+      - samd20_xpro
+      - bl5340_dvk/nrf5340/cpuapp
+      - gd32e103v_eval
+      - gd32e507z_eval
+      - gd32f403z_eval
+      - gd32f450i_eval
+      - gd32f450z_eval
+      - gd32e507v_start
+      - gd32f407v_start
+      - gd32f450v_start
+      - gd32f470i_eval
+      - stm32h735g_disco
+      - stm32h573i_dk
+      - rpi_pico
+      - mr_canhubk3
+      - s32z2xxdc2/s32z270/rtu0
+      - s32z2xxdc2/s32z270/rtu1
+      - s32z2xxdc2@D/s32z270/rtu0
+      - s32z2xxdc2@D/s32z270/rtu1
+      - lp_em_cc2340r5
     integration_platforms:
       - nucleo_f746zg
   sample.drivers.counter.alarm.stm32_rtc: