ARM: tegra: clock: Round up locked all rate

ARM: tegra: clock: Round up locked all rate

Rounded up rate returned by clk_get_rate_all_locked() function. This
is consistent with other tegra clk_get_rate*() interfaces, and makes
unnecessary 1Hz compensation when clk_get_rate_all_locked() is called
during resume.

Change-Id: I7711b6460fe2118e2bb8ccce789ecb4bf3b92e90
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/379747
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Hoang Pham <hopham@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>