arch: arm: cxd56xx: add support for USB and SDIO
* arch: arm: cxd56xx: add support for USB connectivity
Add basic support for USB connectivity
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
* arch: arm: cxd56xx: add SDHCI support
We add SDHCI driver for the cxd56xx
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
Approved-by: Gregory Nutt <gnutt@nuttx.org>
