arch/arm: Remove support for CONFIG_ARMV7M_CMNVECTOR. It is now the only vector support available. Also remove CONFIG_HAVE_CMNVECTOR. That no longer signifies anything."
arch/arm/src/stm32: This commit removes support for the dedicated vector handling from the STM32 architecture support. Only common vectors are now supported.
stm32f334-disco/buckboost: use a PID controller from libdsp
* libdsp: initial commit
* libdsp: cosmetics
* stm32f334-disco/buckboost: use a PID controller from libdsp
Approved-by: Gregory Nutt <gnutt@nuttx.org>