meta-pia: pia335x: update pia-am335x.conf for MMI

- add SGX, touchscreen support
- pin some providers for the sdk
- smallscreen

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
meta-pia: add alsa-state configuration for MMI

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
meta-pia: update feeds to include pironex server

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
meta-pia: update u-boot for MMI to current version

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
meta-pia: update kernel and config to current version of MMI

- add boot logo for MMI

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
meta-pia: system-image: remove wifi, merge angstrom changes

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
meta-pia: mmi-test-image: add tslib support add xorg

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
meta-pia: images from angstrom as base for local modifications

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
meta-pia: mmi-console-test-image: add new default image for MMI board

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>