configs/nucleo_f303re: Various fixes to get the adc configuration building again after PR.  Refresh all configurations.

sem_setprotocol: Handle a case of missing proxy for sem_setprotocol.  Reorder so that (1) this error is avoided, and (2) >No proxy is needed if priority inheritance is not enabled.

arch: Disable priority inheritance on all semaphores used for signaling in the rest of the MCU drivers

Back out the rest of commit 1e754402.  Newlib support will not be accepted into the NuttX repository.

Back out the rest of commit 1e754402.  Newlib support will not be accepted into the NuttX repository.

SAMV7: Fix to SPI-Master driver.  Without this the chip select decoding feature will not work properly