boards: arm: cxd56xx: different updates
* boards: cxd56xx: spresense: initialize SCU at boot
The SCU has to be initialized at bootup on spresense board because several
functions depend on it.
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
* boards: arm: cxd56xx: add audio control definitions
Add audio control definitions for the audio implementation.
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
* boards: arm: cxd56xx: add audio defconfig
Add defconfig for the audio implementation
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
Approved-by: Gregory Nutt <gnutt@nuttx.org>