[nrf noup] boards: nrf54l15pdk: set default pdk to 0.7.0

Replace default pdk board from 0.3.0 to 0.7.0

Signed-off-by: Bartosz Sokolski <[email protected]>

Author: barsok

boards/nordic/nrf54l15pdk/board.yml

@@ -10,7 +10,8 @@ board:
       cpucluster: cpuapp
   revision:
     format: major.minor.patch
-    default: "0.3.0"
+    default: "0.7.0"
     revisions:
     - name: "0.2.1"
     - name: "0.3.0"
+    - name: "0.7.0"