find7: Use both x9007 and x9076 device tree entries

Change-Id: I622534d0c7d7a1aa5d1eb1255f10e1ed3f1e192a
find7: Set screen density, unique device identifier for Find7 variants

Change-Id: I09cecc54fb2cd415c77e2d1cd75f4975f3208eab
Merge branch 'cm-11.0' into kk_mkt