staging: lustre: obdecho: remove ccflags from Makefile

Fix up the relative paths in the .c files to properly build with the
Makefile change.

Cc: Andreas Dilger <andreas.dilger@intel.com>
Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: hpdd-discuss <hpdd-discuss@lists.01.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/lustre/lustre/obdecho/Makefile
Simple merge

diff --cc drivers/staging/lustre/lustre/obdecho/echo.c
Simple merge

diff --cc drivers/staging/lustre/lustre/obdecho/echo_client.c
Simple merge

diff --cc drivers/staging/lustre/lustre/obdecho/lproc_echo.c
Simple merge