Move asm-generic ioctl definitions to linux/ioctlent.h.in

* linux/ioctlent.h.in: Add asm-generic ioctl entries from all
linux/*/ioctlent.h.in files.
* linux/bfin/ioctlent.h.in: Remove asm-generic ioctl entries.
* linux/i386/ioctlent.h.in: Likewise.
* linux/powerpc/ioctlent.h.in: Likewise.
* linux/s390/ioctlent.h.in: Likewise.
* linux/sparc/ioctlent.h.in: Likewise.
6 files changed