ASoC: ops: Fix off by one in range control validation

[ Upstream commit 5871321fb4558c55bf9567052b618ff0be6b975e ]

We currently report that range controls accept a range of 0..(max-min) but
accept writes in the range 0..(max-min+1). Remove that extra +1.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220604105246.4055214-1-broonie@kernel.org


Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>