Transceiver52M: Fix SSE preprocessor definition
Transceiver52M: Fix SSE preprocessor definition

Using non-SSE4.1 enabled architecture would cause undefined
reference to 'convert_si16_ps' call.

Signed-off-by: Thomas Tsou <tom@tsou.cc>

git-svn-id: 504cad4147f1e500be0a169b9f46375eaf875953@6844 19bc5d8c-e614-43d4-8b26-e1612bc8e597

ttsou/openbts-p2.8,ttsou/openbts-p2.8,ttsou/openbts-p2.8,ttsou/openbts-p2.8,ttsou/openbts-p2.8