drm/tegra: Remove superfluous error messages around platform_get_irq()

[ Upstream commit d12919bb ]

The platform_get_irq() prints error message telling that interrupt is
missing,hence there is no need to duplicated that message in the
drivers.

Signed-off-by: Tan Zhongjun <tanzhongjun@yulong.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Stable-dep-of: 2a1ca44b ("drm/tegra: dpaux: Fix incorrect return value of platform_get_irq")
Signed-off-by: Sasha Levin <sashal@kernel.org>