GameDB: Fixes for Cool Boarders and Welcome House (#3412)

* GameDB: Welcome House hash

* GameDB: Force disable PGXP in Cool Boarders

With PGXP on, it crashes, hangs or otherwise renders incorrectly in stage select menu.

data/resources/gamedb.yaml

@@ -29775,6 +29775,8 @@ SCES-00568:
   controllers:
     - DigitalController
     - NeGcon
+  traits:
+    - DisablePGXP
   metadata:
     publisher: "Sony"
     developer: "UEP Systems"
@@ -29794,6 +29796,8 @@ SLPS-00456:
   controllers:
     - DigitalController
     - NeGcon
+  traits:
+    - DisablePGXP
   codes:
     - SLPS-00456
     - SLPS-91031
@@ -29819,6 +29823,8 @@ SCUS-94356:
   controllers:
     - DigitalController
     - NeGcon
+  traits:
+    - DisablePGXP
   metadata:
     publisher: "Sony"
     developer: "UEP Systems"
@@ -184442,6 +184448,8 @@ SLPS-00190:
   name: "Welcome House (Japan)"
   controllers:
     - DigitalController
+  codes:
+    - HASH-2B7BBF1266453C1A
   metadata:
     publisher: "Gust"
     developer: "Gust"