board-pyramid-wifi : We use bhdmd this fixes wifi drops
Based on https://github.com/CyanogenMod/android_kernel_htc_msm8660/commit/6b4d2638c03a29a5a6f667421eb3e70b6d30afb4

Change-Id: I46a11a32e274ca5aa6ae86473b961b39d29dae38