Mariusz Zaborski 85b92f82b6 Remove unused macro from common/drv.c.
When we was compering it to code from boot2 it also looks like
this code is buggy and boot2 was never updated to use this code.
USE_XREAD flag is unused in boot2, and common/drv.c was never
build with that flag.

Reviewed by:	jhb
Differential Revision:	https://reviews.freebsd.org/D9780
2017-02-25 18:14:32 +00:00
..