Rename the imx/ directories to imx1/ to make room in the namespace for other members of the i.MX family

This reverts commit 733010246bc55e28b8c99bc13798955a207c9860.

It is too late to be doing this... Fix the spacing error introduced with the second correction to the spelling error

Ensures frequency is updated on reinitalized bus

SAMV7 HSCMI: Don't assert of the data buffer is unaligned.  Instead, return -EFAULT.  This will allow the FAT file system to utilize the CONFIG_FAT_DMAMEMORY option and fix the problem from the file system

LPC43xx: Add RS485 configuration settings to Kconfig; For RS485, add an option to select DTR as the DIR pin

sim SMP:  CPU0 should not be the main thread.  That introduces an asymmetry since the main thread has no pthread_t ID.  Instead, start an additional pthread for CPU0.  The main thread will just wait and do nothing in this case