K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2016-03-12T21:44:33.381572Z
K 7
svn:log
V 350
boot/efi: Prefer nm to objdump

Both objdump and nm are equally capable of reporting undefined symbols.

This gets us a step closer to building without binutils as we have an nm
implementation from ELF Tool Chain.

Reviewed by:	bdrewery
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D5613

END