Tegra194: timers: increase the step value to 5ms

The RTC consumes 250us for each register read/write. Increase the step
value to 5ms to cover all the register read/write in program_timer().

Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Change-Id: Iac0fc070dbf85a6352fbf147fc5945820e8ee495
1 file changed