Please pull u-boot-x86

[Bin Meng]

Hi Tom,

This PR includes the following changes for v2021.07 release:

- x86: correct regwidth prompt in cbsysinfo
- virtio: convert README.virtio to reST

Azure results: PASS
https://dev.azure.com/bmeng/GitHub/_build/results?buildId=364&view=results

The following changes since commit 07b53103b7a6c228ae8b74ae720b9c5d219ee7fd:

  Merge https://source.denx.de/u-boot/custodians/u-boot-riscv
(2021-05-07 08:57:32 -0400)

are available in the Git repository at:

  https://source.denx.de/u-boot/custodians/u-boot-x86

for you to fetch changes up to 200fdd3bff569369f9264e648ddc9c02547b6186:

  MAINTAINERS: Add an entry for VirtIO (2021-05-10 13:56:12 +0800)

----------------------------------------------------------------
Bin Meng (2):
      doc: develop: Convert README.virtio to reST
      MAINTAINERS: Add an entry for VirtIO

Simon Glass (1):
      x86: Correct regwidth prompt in cbsysinfo

 MAINTAINERS                                            | 12 ++++++++++++
 cmd/x86/cbsysinfo.c                                    |  2 +-
 doc/develop/driver-model/index.rst                     |  1 +
 doc/{README.virtio => develop/driver-model/virtio.rst} | 90
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------------
 4 files changed, 76 insertions(+), 29 deletions(-)
 rename doc/{README.virtio => develop/driver-model/virtio.rst} (86%)

Regards,
Bin