Mkinitcpio update - dealing with the pacnew

[dalto]

@r0ckhopper

> # MODULES_DECOMPRESS
> # Decompress kernel modules during initramfs creation.
> # Enable to speedup boot process, disable to save RAM
> # during early userspace. Switch (yes/no).
> #MODULES_DECOMPRESS="yes"

Yes, you can either add this part to the bottom or do nothing.