The qe_brg structure manually defined each of the 16 BRG registers, which
made any code that used them cumbersome.  This patch replaces the fields
with a single 16-element array.
Signed-off-by: NTimur Tabi <timur@freescale.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>