hwinfo: add new package

add hwinfo package, it is a complete
system hardware detection tool,
similar to lshw but is written in C
and has minimal dependencies.
It is part of core SUSE Linux
applications like Yast installer
and system configurator tool so
it's regularly maintained.

Signed-off-by: Alberto Bursi <bobafetthotmail@gmail.com>

utils/hwinfo/patches/0-hardcoding-version

@@ -0,0 +1,19 @@
+hardcode version of hwinfo, this must be changed in sync 
+with hwinfo version changes when updating the package
+--- a/Makefile	
++++ b/Makefile	
+@@ -12,12 +12,8 @@
+ 
+ GIT2LOG := $(shell if [ -x ./git2log ] ; then echo ./git2log --update ; else echo true ; fi)
+ GITDEPS := $(shell [ -d .git ] && echo .git/HEAD .git/refs/heads .git/refs/tags)
+-BRANCH  := $(shell [ -d .git ] && git branch | perl -ne 'print $$_ if s/^\*\s*//')
+-ifdef HWINFO_VERSION
+-VERSION := $(shell echo ${HWINFO_VERSION} > VERSION; cat VERSION)
+-else
+-VERSION := $(shell $(GIT2LOG) --version VERSION ; cat VERSION)
+-endif
++BRANCH  := master
++VERSION := $(shell echo 21.7 > VERSION; cat VERSION)
+ PREFIX  := hwinfo-$(VERSION)
+ 
+ include Makefile.common