buildroot

e2fsprogs: convert to Makefile.autotools.in format and update Kconfig

Closes #667.

I have updated the e2fsprogs package to the new makefile format. I added
the tools from the 1.41.9 release of e2fsprogs that could not yet be
(de)selected (freefrag, e2undo) to the menu in Config.in.

Signed-off-by: rvpaasen <rvpaasen@t3i.nl>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>