Revert "BoardConfig: Build with GCC 4.6 for now until we can figure out how to boot"

This reverts commit 2917a9c36d94b41d15d77c8415085641d02b8ace.
Revert "BoardConfig: Disable ARM pie to fix front facing camera"

This reverts commit faabd089b22585a386bef91ab7f45cc1bab0a30a.