Revert "vfp: hardfloat use only with https://github.com/pinkflozd/arm-cortex_a7-linux-gnueabihf/commit/be6b74761ab62261c53fe841cfa47a9d542f0bff"

This reverts commit bd773cf0ade434d7d0d72e6c031d6a4b50837a0a.
Increase bettery level check interval
more tweaks