arm64: defconfig: Enable Tegra HSP and BPMP

Selecting the IVC, HSP and BPMP drivers via Kconfig is problematic
because it can create conflicting configurations. Instead, enable them
in the default configuration.

Link: https://lore.kernel.org/r/20250506133118.1011777-12-thierry.reding@gmail.com


Signed-off-by: Thierry Reding <treding@nvidia.com>