Staging: et131x: put the jagcore routines in with their users

We have two trivial IRQ routines, a single statement and a real function -
relocate them. While we are at it kill the trivial to sort out soft reset
and slv bits in the same areas of code.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>