Merged TI feature platform_base into ti-linux-5.4.y

TI-Feature: platform_base
TI-Branch: platform-ti-linux-5.4.y

* 'platform-ti-linux-5.4.y' of ssh://bitbucket.itg.ti.com/lcpdpublicdom/platform

:
  ti_config_fragments: v8_baseport: Enable UIO_IVSHMEM
  uio: Add driver for inter-VM shared memory device
  ivshmem: Add header file
  uio: Enable read-only mappings

Signed-off-by: LCPD Auto Merger <lcpd_integration@list.ti.com>