If you are using CM5.0.6, please update to this build.

-switched from NEON to VFPv3 optimisation flag

boot-cm_2633.2-oc-uv-btn-aud-ram-vfp_fp.zip
Download: boot-cm_2633.2-oc-uv-btn-aud-ram-vfp_fp.zip

boot-cm_2633.2-oc-uv-xtra-btn-aud-ram-vfp_fp.zip
Download: boot-cm_2633.2-oc-uv-xtra-btn-aud-ram-vfp_fp.zip

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zImage-cm_2633.2-oc-uv-btn-aud-ram-vfp_fp
Download: zImage-cm_2633.2-oc-uv-btn-aud-ram-vfp_fp

zImage-cm_2633.2-oc-uv-xtra-btn-aud-ram-vfp_fp
Download: cm_2633.2-oc-uv-xtra-btn-aud-ram-vfp_fp

lib-2633.2.tar.gz
Download: lib-2633.2.tar.gz

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Source:
http://github.com/cyanogen/cm-kernel
http://github.com/pershoot/nexus-kernel

——–

Instructions:
Flash the .zip through recovery
or

fastboot flash zimage zImage-FILE
then

take the bcm4329.ko file from lib-2633.2.tar.gz/lib/modules (use winrar for windows or tar with z option for linux) and

adb remount
adb push bcm4329.ko /system/lib/modules
or
copy the bcm4329.ko to /sdcard, bounce in to recovery, mount /sdcard and /system, and copy the .ko module from /sdcard to /system/lib/modules; set chmod 644 on it.