sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

arm/arm64 nvidia: Remove unused devclass arguments to DRIVER_MODULE.

ARM: Enhance common Nvidia Tegra drivers by support for Tegra210 SoC.

MFC after: 4 weeks

arm: clean up empty lines in .c and .h files

Stop including fdt_common.h from the arm code when it's unneeded.

Sponsored by: ABT Systems Ltd

TEGRA: Prepare Tegra subtree for inclusion into ARM generic kernel.
- use DEFINE_CLASS_0() for driver classes
- unify driver names
- cleanup driver definitions and bindings

Import basic support for Nvidia Jetson TK1 board and tegra124 SoC.
The following pheripherals are supported: UART, MMC, AHCI, EHCI, PCIe, I2C,
PMIC, GPIO, CPU temperature and clock.

Note: The PCIe driver is pure mash at this moment. It will be reworked
immediately when both D5237 and D2579 enter the current tree.