sys: Remove $FreeBSD$: one-line .c patternRemove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
dev/amd*: Remove unused devclass arguments to DRIVER_MODULE.
Remove unused smbus_devclass.
amd*: clean up empty lines in .c and .h files
Update AMDSMB to use PCI_MATCHDifferential Review: https://reviews.freebsd.org/D16172
Move amdsmb and nfsmb from dev/pci to their own device directory.