cmake nuttx use wrapper script to call "make olddefconfig"

- this is a workaround for PATH variables that exceed the maximum cmake custom command length

platforms/nuttx/NuttX/tools/kconfig-tweak

@@ -1,6 +1,6 @@
 #! /bin/bash
 
-echo "DEBUG: kconfiglib kconfig-tweak wrapper, arguments: ${@}"
+#echo "DEBUG: kconfiglib kconfig-tweak wrapper, arguments: ${@}"
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 
 export APPSDIR="`pwd`/../apps"

platforms/nuttx/NuttX/tools/px4_nuttx_make_olddefconfig.sh

@@ -0,0 +1,10 @@
+#! /bin/bash
+
+NUTTX_DIR=${1}
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+# update PATH to include kconfiglib scripts
+export PATH=${DIR}:${PATH}
+
+make --no-print-directory --silent -C ${NUTTX_DIR} CONFIG_ARCH_BOARD_CUSTOM=y CONFIG_APPS_DIR="../apps" olddefconfig > nuttx_olddefconfig.log