Fix some CPU settings
Revert "ARM: hwcaps: add new HWCAP defines for ARMv7-A"

This reverts commit 27ef4657340e0fd26668b0a9ab96ee8a61a7409d.
Revert "ARM: hwcaps: use shifts instead of hardcoded constants"

This reverts commit 381479cc8ea33bb089965b019a6b8def23b0d9b6.