Revert "mdss_mdp: farewell bootarg parse"

This reverts commit af894b3c984d0dcf8c045bbf2db1459a3f0e1353.
hammerhead: dtsi: add primary panel type

Signed-off-by: helicopter88 <helicopter88@debian.debian>
Revert "mdss_dsi: revert to aosp logic"

This reverts commit 3dd7a906dbc3b0bf9667f6aa4e86501db2c01403.