cmd: sbi: formatting PolarFire Hart Software Services version

The 'PolarFire Hart Software Services' SBI implementation returns the
version of the incorporated OpenSBI. Format the number accordingly.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
1 file changed