hw: add dummy config to kernel tests

Building a kernel test produced an error about a missing config
apparently because of recent changes in the run tool. So, we add
a dummy XML node as config.

Ref #1972

repos/base-hw/run/cpu_scheduler.run

@@ -10,6 +10,9 @@ build "test/cpu_scheduler"
 # create directory where the boot files are written to
 create_boot_directory
 
+# the init config is not used but the build system needs it
+install_config {<dummy/>}
+
 # create single boot image from the compiled program images
 set core_test 1
 build_boot_image "test-cpu_scheduler"

repos/base-hw/run/double_list.run

@@ -10,6 +10,9 @@ build "test/double_list"
 # create directory where the boot files are written to
 create_boot_directory
 
+# the init config is not used but the build system needs it
+install_config {<dummy/>}
+
 # create single boot image from the compiled program images
 set core_test 1
 build_boot_image "test-double_list"

repos/base-hw/run/hw_info.run

@@ -10,6 +10,9 @@ build "test/hw_info"
 # create directory where the boot files are written to
 create_boot_directory
 
+# the init config is not used but the build system needs it
+install_config {<dummy/>}
+
 # create single boot image from the compiled program images
 set core_test 1
 build_boot_image "test-hw_info"