Revert "P5110: fix bringup"

This reverts commit 99c6cbbeb625eb53f317a330898045dd946e77d2.
[2/2] P51XX: move TWRP config to common.

Use BoardCommonConfig.mk for main TWRP config.
Use p51xx-common.mk to place twrp.fstab inside TWRP.

Change-Id: I578b99aad72a713cb18e484b292c4fe7dbed3da4
P5110: Cleanup

1. Remove SamsungServiceMode from dependencies
2. Move "DEVICE_RESOLUTION" to common.

Change-Id: Id4dc1427dfd55b60d2e8537f6e37cac228a82d60