dts: vendor: raspberrypi: Default to sysbuild partitions

Switch the default partitions for raspberrypi to use the sysbuild
partitions in order to be consistent with the default partitions for
other vendor defined partitions.

Signed-off-by: John Lin <john.lin@beechwoods.com>

Author: jlbwoods

dts/vendor/raspberrypi/partitions_2M_default.dtsi

@@ -4,4 +4,4 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <raspberrypi/partitions_2M_storage.dtsi>
+#include <raspberrypi/partitions_2M_sysbuild.dtsi>