This reverts commit 998acf4d.

This reverts commit b2c67a4c.

Cmake 2: Fix target names for extra builtins

Linker script no longer needed for qurt target

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

Added px4_parameters.c to nuttx executable src list.
Minor syntax fix in Tools/px_generate_params.py for semicolon.
Added handling of PX4_MAIN which was not yet supoprted in the
cmake build.
Fixed include quotes in muorb_test_example.cpp

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

Added build stubs.
Fixed missing module (platforms/common) which was causing missing generated message errors.

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

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>