Revert "build: Use hard-float abi"

* Will optimize flags usage later.

This reverts commit 9bf68f8d67a5d80006d0cc8300d818d6683e6090.
Revert "sched: Remove get_online_cpus() usage"

* Too much controversy over stability using this.
* Revert for now.

This reverts commit 2d7ebe451a0a28b63c12cf54116915c39d51a453.
Revert "ARM: dts: msm: Add support for second qcrypto device for 8974"

* The second crypto device didn't work. And it breaks the l2tp vpn. If no
  second hw crypto device, the software crypto will be used.

This reverts commit 240f13fc99f7d1006723ce725d369d20458f2fde.
defconfig: Update

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>