Add the Dresden Elektronik "USB Levelshifter Stick Low Cost" to the
list of known FTDI devices.

https://shop.dresden-elektronik.de/accessories/levelshifter/usb-pegelwandler-stick-basic.html

MFC after:	1 week
Add support for the Dlink DIR-825C1 74k MIPS router based on Atheros
wireless, bridge and CPU.
MFV r258922:
3580 Want zvols to return volblocksize when queried for physical block size

illumos/illumos-gate@a0b60564dfc644f4bfaef1ce26d343b44cf68bc5

It is irrelevant for FreeBSD, just reducing diff.