Revert "arm: vfpmodule: Fix warning procfs vfp_bounce reporting failed"

This reverts commit 24f5a0f6873672f7f3068a8b5a00a8043b6c96b8.
Revert "ARM: only allow kernel mode neon with AEABI"

This reverts commit f1789ff95cff6f0f700621721f37cde3a6effcbc.
Revert "ARM: 7835/2: fix modular build of xor_blocks() with NEON enabled"

This reverts commit 60f1a899ee18076588ba50cff7547c504692d3d8.
Revert "ARM: crypto: add NEON accelerated XOR implementation"

This reverts commit 62edfee785ebf998a19ca4cc2bd85bc02fb2d27c.
Revert "ARM: add support for kernel mode NEON"

This reverts commit c5e3d748f95f607dbc353dfcbe4c7bd37a2b6def.
Revert "ARM: be strict about FP exceptions in kernel mode"

This reverts commit 4464fcaf70950eb867d3b5c4489a21c9afe917ee.