linux-postmarketos-omap: duplicate drivers

Mainline has poweroff support for TWL6030/32 pmics, just a system-power-controller property at the pmic main node is needed. No need for 0005-Add-TWL6030-power-driver-with-minimal-support-for-power-off.patch

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information