samples: drivers: display: add board to the display testcase

Add platform:frdm_mcxa156:SHIELD=lcd_par_s035_8080 to the display testcase

Signed-off-by: Neil Chen <[email protected]>

Author: NeilChen93

samples/drivers/display/sample.yaml

@@ -106,4 +106,5 @@ tests:
       - platform:mimxrt1040_evk/mimxrt1042:SHIELD=rk043fn66hs_ctg
       - platform:frdm_mcxn947/mcxn947/cpu0:SHIELD=lcd_par_s035_8080
       - platform:frdm_mcxn236/mcxn236:SHIELD=lcd_par_s035_8080
+      - platform:frdm_mcxa156/mcxa156:SHIELD=lcd_par_s035_8080
       - platform:ek_ra8d1:SHIELD=rtkmipilcdb00000be