tree ee7b2479f4ad7349c0271c06d3c833c75f35cb47
parent b5bf0fc2f09540a4fb9b8eb05665b672c4cf0117
author Patrick Venture <venture@google.com> 1556930100 -0700
committer Patrick Venture <venture@google.com> 1556930100 -0700

tools: io: add read method

Add method for reading the host's memory to enable reading the PCI
configuration.

Tested: Verified it's able to read a memory BAR associated with the
ASPEED ast2400.

Change-Id: Id06f30b063e69825f2dfa69786b69392657f7b1c
Signed-off-by: Patrick Venture <venture@google.com>