Revert "defconfig: disable android ram console and remove workarounds for errata fixed"

This reverts commit ffc7ace1c7e72ffe996359c0ca8e5a3040cd5602.
Revert "tuna: make static ram console memory mapping depend on CONFIG_ANDROID_RAM_CONSOLE"

This reverts commit 98773d189c15e70b07217e91e038aa06930d47a6.
Turn Off Kernel mode neon