pm8921-charger: fix reported status for battery-less-hw

Otherwise userspace will think there is a critically low battery and
immediately initiate shutdown or hibernate.
power-supply: fix POWER_SUPPLY=n compile errors
squash! WIP: drm/msm/hdmi: additional stubs for audio
WIP: fix audio on firetv..

Not sure about this "psuedo" path, MM_UL12 appears to be missing, even
with android kernel.  Not sure what causes the driver to go ahead and
register itself with the missing links, but for now strip out that stuff
as it does not appear needed..
bueller_rob_defconfig: enable audio