tegrarcm: Add version command

Add command line option "--version" that prints the version number and
exits.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
tegrarcm: Add help command to man page

Add a description of the "--help" command to the man page.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
tegrarcm: Move miniloader files to "miniloader" subdir

In preparation of changing the LICENSE file to refer to "miniloader"
directory instead of individual filenames, move all miniloader files
into "miniloader" subdir.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
tegrarcm: Add SPI flash support to tegra114 miniloader

Update tegra114 miniloader file with a version that supports boot from
SPI flash.  The previous version would hang if the board was
configured to boot from SPI.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
tegrarcm: Bump version to 1.4

Bump the version number to 1.4 and update change log.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>