nicki: don't use adreno blobs from qcom-common

Change-Id: Ieeb41d5cff144a473dfce35e4ec45b6d31bc6046
nicki: add egl.cfg and move device assert from BoardConfigCommon to BoardConfig

EGL.cfg for new adreno blobs

Signed-off-by: Arnav Gosain <nolinuxnoparty@gmail.com>