feat: configurable board pwm freq from Kconfig (#24787)

* feat: configurable board pwm freq from Kconfig

* feat: add board_pwm_config to submenu

* fix: define sequence correction

* fix: revert Tools/simulation/gz

* fix: track upstream gz

* fix: track upstream mavlink

* feat: adjustable pwm for multiple board types

* feat: add conditional check for CONFIG_ for correct fallback

* add: spacecraft board with correct BOARD_PWM_FREQ supporting 10Hz actuation rate

* fix: set dependencies for submenu arch chips

* fix: keep only upper arch level

* fix: proper checking - still not showing up for board config

* feat: add hidden kconfig for platforms

* Merge Nuttx config into px4board

Allows to expose nuttx into PX4 if needed

* Kconfig: Include nuttx symbols in updateconfig

Only if applicable i.e. defined in the kconfig

* fix: merged config with previously generated boardconfig

* doc: updated code comment

---------

Co-authored-by: Daniel Agar <daniel@agar.ca>
Co-authored-by: Peter van der Perk <peter.vanderperk@nxp.com>

Kconfig

@@ -206,8 +206,8 @@ source "src/examples/Kconfig"
 endmenu
 
 menu "platforms"
-depends on PLATFORM_QURT || PLATFORM_POSIX
-source "platforms/common/Kconfig"
+depends on PLATFORM_QURT || PLATFORM_POSIX || PLATFORM_NUTTX
+source "platforms/Kconfig"
 endmenu
 
 source "src/lib/*/Kconfig"