ANDROID: soc/tegra: disable ARCH_TEGRA_210_SOC with LTO

Disable CONFIG_ARCH_TEGRA_210_SOC with LTO to work around an issue
with ThinLTO.

Bug: 145210207
Change-Id: Idc2792d6b7d0c755f6f7695cf0b20fa49721d09c
Link: https://github.com/ClangBuiltLinux/linux/issues/510


Signed-off-by: Sami Tolvanen <samitolvanen@google.com>