formuler: update bsp

commit 4f7bed4
Author: Formuler <github@formuler.tv>
Date:   Mon Nov 10 23:57:15 2014 +0100

    changelog:

    formuler1: fix 22kHz tone issue
    formuler1/3: size and performance optimizations
xtrend: update bsp

commit 97415a1
Author: xtrendmaster <amicimax@aol.com>
Date:   Mon Nov 10 13:29:38 2014 +0000

    [et7x00/et8500] Drivers update 20141110

    changelog:
    multimedia playback time optimized
Merge branch 'master' of git://git.code.sf.net/p/openpli/openpli-oe-core