add BOARD_EGL_NEEDS_FNW := true

https://github.com/Mustaavalkosta/android_device_htc_msm7x30-common/commit/b8ec17c0937cb8b55e1262a25bf4cacd4e838565

Change-Id: I29ab8e22f1eb712b913e24b8b06e37e5280b7ae7