i965: enable lrp lowering for doubles

Broadwell and previous generations does not support lrp instruction
operating with doubles.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
1 file changed