diff --git a/boards/nxp/fmuk66-v3/nuttx-config/Kconfig b/boards/nxp/fmuk66-v3/nuttx-config/Kconfig
index df8b0f628d..0fe046b107 100644
--- a/boards/nxp/fmuk66-v3/nuttx-config/Kconfig
+++ b/boards/nxp/fmuk66-v3/nuttx-config/Kconfig
@@ -45,3 +45,6 @@ config BOARD_USE_PROBES
 
 	---help---
 		Select to use GPIO FMU-CH1-6 to provide timing signals from selected drivers.
+
+endif
+
diff --git a/boards/nxp/fmuk66-v3/nuttx-config/drivers/Kconfig b/boards/nxp/fmuk66-v3/nuttx-config/drivers/Kconfig
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/boards/nxp/fmuk66-v3/nuttx-config/nsh/defconfig b/boards/nxp/fmuk66-v3/nuttx-config/nsh/defconfig
index 842b2bc5a7..ae706f68e7 100644
--- a/boards/nxp/fmuk66-v3/nuttx-config/nsh/defconfig
+++ b/boards/nxp/fmuk66-v3/nuttx-config/nsh/defconfig
@@ -9,8 +9,11 @@
 # CONFIG_MMCSD_HAVE_WRITEPROTECT is not set
 # CONFIG_MMCSD_SPI is not set
 CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD_CUSTOM=y
 CONFIG_ARCH_BOARD_CUSTOM_DIR="../nuttx-config"
+CONFIG_ARCH_BOARD_CUSTOM_DIR_RELPATH=y
 CONFIG_ARCH_BOARD_CUSTOM_NAME="px4"
+CONFIG_ARCH_CHIP="kinetis"
 CONFIG_ARCH_CHIP_KINETIS=y
 CONFIG_ARCH_CHIP_MK66FN2M0VMD18=y
 CONFIG_ARCH_INTERRUPTSTACK=512