soc/tegra: fuse: Unify Tegra20 and Tegra30 drivers

Unifying the drivers makes it easier to restrict the legacy probing
paths to 32-bit ARM. This in turn will come in handy as support for
new 64-bit ARM SoCs is added.

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

diff --cc arch/arm/mach-tegra/iomap.h
Simple merge

diff --cc drivers/soc/tegra/fuse/Makefile
Simple merge

diff --cc drivers/soc/tegra/fuse/fuse-tegra.c
Simple merge

diff --cc drivers/soc/tegra/fuse/fuse-tegra20.c
Simple merge

diff --cc drivers/soc/tegra/fuse/fuse-tegra30.c
Simple merge

diff --cc drivers/soc/tegra/fuse/fuse.h
Simple merge

diff --cc drivers/soc/tegra/fuse/speedo-tegra114.c
Simple merge

diff --cc drivers/soc/tegra/fuse/speedo-tegra124.c
Simple merge

diff --cc drivers/soc/tegra/fuse/speedo-tegra20.c
Simple merge

diff --cc drivers/soc/tegra/fuse/speedo-tegra30.c
Simple merge

diff --cc drivers/soc/tegra/fuse/tegra-apbmisc.c
Simple merge