README: add line for kernel_config file, remove matana_kernel_config as it is already in chipyard-linux project

Makefile: make driver/rehad_regs.h represent other python generate file, prevent multi call to python

ProNum: now kernel will send procnum to Rehad when rehad detection is enable. Minor fix on reg name parsing

remove print warning (size_t is int in 32bit insteed of long in 64bit) for 32-bit, we'll let it warning in 64 bit

userland: move driver_self_check to optional. Regmap: update with new rehad version (with reset and pid)

python template: replace tab by spaces, declare variable at begin of case. driver move int i outside of switch

Userland/test.c: remove use of perror and exit, add proper return status, read_from_reg now return status and value are passed though arg.
Driver/rehad.c: print add rehad, replace tab by spaces.

README is updated to include a sed command that generate the patch with old path for QEMU.

Add more documentation.

This reverts commit c7eb0ce3.

Wait after an IO operation in the kernel module.