msm7x30: remove build warnings

Fix warnings introduced in 6d4ab09cd07f33c691c784bd2a9b04cae097674b

warning: override: reassigning to symbol INET_AH
warning: override: reassigning to symbol INET_IPCOMP
warning: override: reassigning to symbol INET_XFRM_MODE_TUNNEL
warning: override: reassigning to symbol INET_XFRM_MODE_BEET

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: Ie3aab75bdb5f1975e32a6bc70c31e17743e8c5ee