meta-samsung: linux-samsung-tuna: bump SRCREV

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

Signed-off-by: Simon Busch <morphis@gravedo.de>
meta-samsung/meta-asus: update android-system-image for maguro/grouper

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