[qca-nss-drv] Adding missing object in Makefile for FSM9010

Recent changes in the GRE module causes linker
failure for GRE module. This patch fixes the issue.

Change-Id: I51316c0d5c5bd4abd5fdbd3c0e22329bf37e492c
Signed-off-by: Arunkumar T <athand@codeaurora.org>
1 file changed