ARC: remove useless "system.h"

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: use "arcregs.h" from Linux kernel

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: remove unused "arcregs.h" inclusion

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: add newlines at the end of files

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: clean-up of "bootm.c"

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: clean-up of "global_data.h"

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: remove unused "serial.h"

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: remove unused "u-boot-arc.h"

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: major clean-up of timer functionality

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: clean-up of "u-boot.lds"

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: remove copyrights from empty files

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: general clean-up

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: build-in NAND driver only if CONFIG_CMD_NAND specified

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: nand clean-up

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: fix inclusion order

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: update copyrights

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: remove uselsess function "icache_invalid"

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
ARC: make "cleanup_before_linux" static

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>