Standardize doc formats - part 1

Each document under Documentation/*.txt has its own format. Some follow markup notations, some don't even have a title!

In order to try to get some order on it, change the document style to the standard we're adopting after the adoption of ReStructured Text.

The documents touched on this series now build fine with Sphinx, if renamed to *.rst extension.

The main goal with this is to teach people by example about what format is expected on newer documents. It also helps to add those files to Kernel books.

In order to make things more palatable, I'm spliting the conversion into three parts.

This is part 1.

Mauro Carvalho Chehab (31):
bcache.txt: standardize document format bt8xxgpio.txt: standardize document format btmrvl.txt: standardize document format bus-virt-phys-mapping.txt: standardize document format cachetlb.txt: standardize document format cgroup-v2.txt: standardize document format circular-buffers.txt: standardize document format clk.txt: standardize document format
cpu-load: standardize document format cputopology.txt: standardize document format crc32.txt: standardize document format dcdbas.txt: standardize document format digsig.txt: standardize document format DMA-API.txt: standardize document format DMA-API-HOWTO.txt: standardize document format DMA-attributes.txt: standardize document format DMA-ISA-LPC.txt: standardize document format debugging-via-ohci1394.txt: standardize document format efi-stub.txt: standardize document format eisa.txt: standardize document format flexible-arrays.txt: standardize document format futex-requeue-pi.txt: standardize document format gcc-plugins.txt: standardize document format highuid.txt: standardize document format hw_random.txt: standardize document format hwspinlock.txt: standardize document format intel_txt.txt: standardize document format Intel-IOMMU.txt: standardize document format io-mapping.txt: standardize document format io_ordering.txt: standardize document format iostats.txt: standardize document format

 Documentation/DMA-API-HOWTO.txt          | 159 +++++----
 Documentation/DMA-API.txt                | 575 ++++++++++++++++++-------------
 Documentation/DMA-ISA-LPC.txt            |  71 ++--
 Documentation/DMA-attributes.txt         |  15 +-
 Documentation/Intel-IOMMU.txt            |  36 +-
 Documentation/bcache.txt                 | 200 ++++++-----
 Documentation/bt8xxgpio.txt              |  19 +-
 Documentation/btmrvl.txt                 |  64 ++--
 Documentation/bus-virt-phys-mapping.txt  |  63 ++--
 Documentation/cachetlb.txt               |  92 ++---
 Documentation/cgroup-v2.txt              | 449 ++++++++++++------------
 Documentation/circular-buffers.txt       |  51 ++-
 Documentation/clk.txt                    | 189 +++++-----
 Documentation/cpu-load.txt               | 117 +++----
 Documentation/cputopology.txt            |  35 +-
 Documentation/crc32.txt                  |  75 ++--
 Documentation/dcdbas.txt                 |  24 +-
 Documentation/debugging-via-ohci1394.txt |  21 +-
 Documentation/digsig.txt                 | 124 +++----
 Documentation/efi-stub.txt               |  25 +-
 Documentation/eisa.txt                   | 260 +++++++-------
 Documentation/flexible-arrays.txt        |  24 +-
 Documentation/futex-requeue-pi.txt       |  83 ++---
 Documentation/gcc-plugins.txt            |  58 ++--
 Documentation/highuid.txt                |  46 +--
 Documentation/hw_random.txt              | 158 +++++----
 Documentation/hwspinlock.txt             | 527 ++++++++++++++++------------
 Documentation/intel_txt.txt              |  63 ++--
 Documentation/io-mapping.txt             |  67 ++--
 Documentation/io_ordering.txt            |  61 ++--
 Documentation/iostats.txt                |  40 ++-
 31 files changed, 2101 insertions(+), 1690 deletions(-)

2.9.4