pl110: Rename pl110_version enum values

pl110: Rename pl110_version enum values

The PL110 enum value name will conflict with the PL110 type cast
checker, when we replace the existing macro with an inline
function.  Add a VERSION_ prefix to all pl110_version enum
values, to avoid conflicts.

Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Reviewed-by: Daniel P. Berrangé <[email protected]>
Signed-off-by: Eduardo Habkost <[email protected]>
Tested-By: Roman Bolshakov <[email protected]>
Message-Id: <20200825192110.3528606[email protected]>
Signed-off-by: Eduardo Habkost <[email protected]>