chore: env:seeed_xiao_nrf52840_*: Mark DIY variants as PRIVATE_HW

Signed-off-by: Andrew Yong <[email protected]>

Author: ndoo

variants/diy/platformio.ini

@@ -94,23 +94,24 @@ build_flags =
 ; I2C defined for feature parity with removed diy/seeed-xiao-nrf52840-wio-sx1262 variant
 [env:seeed_xiao_nrf52840_wio-sx1262_v1_1]
 extends = env:seeed_xiao_nrf52840_kit
-build_flags = ${env:seeed_xiao_nrf52840_kit.build_flags} -DSEEED_XIAO_WIO1_1 -DSEEED_XIAO_D6D7_I2C
+build_flags = ${env:seeed_xiao_nrf52840_kit.build_flags} -DPRIVATE_HW -DSEEED_XIAO_WIO1_1 -DSEEED_XIAO_D6D7_I2C
+board_level = extra
 
 ; XIAO nRF52840 & Wio-SX1262 Kit, with L76K GNSS Module for Seeed Studio XIAO
 ; Store page: https://www.seeedstudio.com/L76K-GNSS-Module-for-Seeed-Studio-XIAO-p-5864.html
 [env:seeed_xiao_nrf52840_kit_l76k]
 extends = env:seeed_xiao_nrf52840_kit
-build_flags = ${env:seeed_xiao_nrf52840_kit.build_flags} -DSEEED_XIAO_D6D7_L76K
+build_flags = ${env:seeed_xiao_nrf52840_kit.build_flags} -DPRIVATE_HW -DSEEED_XIAO_D6D7_L76K
 board_level = extra
 
 ; XIAO nRF52840 & Wio-SX1262 Kit, with I2C (D6 -> SDA, D7 -> SCL)
 [env:seeed_xiao_nrf52840_kit_i2c]
 extends = env:seeed_xiao_nrf52840_kit
-build_flags = ${env:seeed_xiao_nrf52840_kit.build_flags} -DSEEED_XIAO_D6D7_I2C
+build_flags = ${env:seeed_xiao_nrf52840_kit.build_flags} -DPRIVATE_HW -DSEEED_XIAO_D6D7_I2C
 board_level = extra
 
 ; XIAO nRF52840 & Wio-SX1262 Kit, with I2C OLED (D6 -> SDA, D7 -> SCL)
 [env:seeed_xiao_nrf52840_kit_oled]
 extends = env:seeed_xiao_nrf52840_kit
-build_flags = ${env:seeed_xiao_nrf52840_kit.build_flags} -DSEEED_XIAO_D6D7_OLED
+build_flags = ${env:seeed_xiao_nrf52840_kit.build_flags} -DPRIVATE_HW -DSEEED_XIAO_D6D7_OLED
 board_level = extra