arm: tegra: emc: rename tegra_emc_therm.c

Rename this file since thermal throttling will no longer be the only
timer that the EMC driver runs.

Change-Id: Ic0e8f8e83f5165f1b06da9ce21d05a1440a2dcf2
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/660449
(cherry picked from commit 56593e1dd1fb865614cd8728e0783cb17e63b502)
Reviewed-on: http://git-master/r/663393
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Mitch Luban <mluban@nvidia.com>

diff --git a/drivers/platform/tegra/mc/tegra_emc_therm.c b/drivers/platform/tegra/mc/tegra_emc_timers.c
similarity index 100%
rename from drivers/platform/tegra/mc/tegra_emc_therm.c
rename to drivers/platform/tegra/mc/tegra_emc_timers.c