cmake: Updated makefile to show the available build configs

Also fixed param support for nuttx and qurt

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Use a struct to contain all the parameters so the ordering in
memory is not machine dependent.

Add number of parameters to the param struct. The struct actually
allows direct accessing by the member name if desired.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

param: Build param without linker script

Changed to enable the posix_sitl_simple target to build and run

param show *

without using a linker script

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

cmake: converted config files to new style

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Conflicts:
	CMakeLists.txt

cmake: Missed missed instance of config_

The posix eagle targets were fixed to include the px4_impl_posix.cmake file

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

cmake: fixed posix configs

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Cmake mc