soc/cavium: Use SPDX for GPL-2.0-only files

Done with sed and God Lines. Only done for C-like code for now.

Change-Id: I3d872f63d56711d39c8320ace2642cea2a23f545
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
---
M src/soc/cavium/cn81xx/bl31_plat_params.c
M src/soc/cavium/cn81xx/bootblock.c
M src/soc/cavium/cn81xx/bootblock_custom.S
M src/soc/cavium/cn81xx/cbmem.c
M src/soc/cavium/cn81xx/chip.h
M src/soc/cavium/cn81xx/clock.c
M src/soc/cavium/cn81xx/cpu.c
M src/soc/cavium/cn81xx/cpu_secondary.S
M src/soc/cavium/cn81xx/ecam0.c
M src/soc/cavium/cn81xx/gpio.c
M src/soc/cavium/cn81xx/include/atf/plat_params.h
M src/soc/cavium/cn81xx/include/soc/addressmap.h
M src/soc/cavium/cn81xx/include/soc/bl31_plat_params.h
M src/soc/cavium/cn81xx/include/soc/clock.h
M src/soc/cavium/cn81xx/include/soc/cpu.h
M src/soc/cavium/cn81xx/include/soc/ecam0.h
M src/soc/cavium/cn81xx/include/soc/gpio.h
M src/soc/cavium/cn81xx/include/soc/memlayout.ld
M src/soc/cavium/cn81xx/include/soc/mmu.h
M src/soc/cavium/cn81xx/include/soc/sdram.h
M src/soc/cavium/cn81xx/include/soc/soc.h
M src/soc/cavium/cn81xx/include/soc/spi.h
M src/soc/cavium/cn81xx/include/soc/timer.h
M src/soc/cavium/cn81xx/include/soc/twsi.h
M src/soc/cavium/cn81xx/include/soc/uart.h
M src/soc/cavium/cn81xx/mmu.c
M src/soc/cavium/cn81xx/sdram.c
M src/soc/cavium/cn81xx/soc.c
M src/soc/cavium/cn81xx/spi.c
M src/soc/cavium/cn81xx/timer.c
M src/soc/cavium/cn81xx/twsi.c
M src/soc/cavium/cn81xx/uart.c
M src/soc/cavium/common/bdk-coreboot.c
M src/soc/cavium/common/bootblock.c
M src/soc/cavium/common/ecam.c
M src/soc/cavium/common/include/soc/bootblock.h
M src/soc/cavium/common/include/soc/ecam.h
M src/soc/cavium/common/include/soc/sysreg.h
M src/soc/cavium/common/pci/chip.h
M src/soc/cavium/common/pci/uart.c
40 files changed, 90 insertions(+), 516 deletions(-)