drivers/net/ne2k.c: Collect headers and defines to top of file

Change-Id: I2ffb0dd9fe400132f6d430f115f962b5f8578efa
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/7292
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
drivers/ioapic: DEVICE_NOOP some stub function callbacks

Just when you thought you found them all..
Reduces loc and makes NOP's explicit.

Change-Id: I416e0468b7f2f462c940daae695d67fb409aa4c6
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/7350
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>