totemc2: remove prebuilt kernel

Change-Id: Ie0641e74de26e1f7627163c0df8734ec08b4ba7b
totemc2: update README

Change-Id: I52f5c5c2f2c608de3b287165532046eb1bb2d0b0
totemc2: initial 4.3 bring up

Change-Id: Ia076003f50dc752d18d93b6bae90c3af6eb3794b