meta-android: classes: kernel_android: support configuring ramdisk, second stage and tags offset

Signed-off-by: Simon Busch <morphis@gravedo.de>
meta-android: android-system: rework pre-start script to be aligned with latest phablet env

* We can safely start the mediaservice again as inside the phablet environment the audio
  flinger service within the mediaservice is disabled by default.
* We need the sensorservice in order to use the sensors accessible through the android HAL

Signed-off-by: Simon Busch <morphis@gravedo.de>
meta-android: udev-extraconf: add android specific overrides for std. rules

* ueventd on the android side needs to be the only responsible component for loading
  firmware files. udevd and ueventd fighting against each other leads to kernel errors.
* we need to prevent v4l video device probing to avoid furhter kernel panics

Signed-off-by: Simon Busch <morphis@gravedo.de>
meta-samsung: linux-samsung-tuna: rework configuration and bump SRCREV

* newer SRCREV contains a patch to work better with binder
* CONFIG_AUTOFS4_FS is disabled by default now; we don't need it
* correctly set boot image parameters (ram base, cmdline)

Signed-off-by: Simon Busch <morphis@gravedo.de>