cpufreq: schedutil: Rectify comment in sugov_irq_work() function

This patch rectifies a comment present in sugov_irq_work() function to
follow proper grammar.

Change-Id: I2230a4c2e1966ea77178779a6278d62a8e18d839
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Git-commit: d06e622d3d9206e6a2cc45a0f9a3256da8773ff4
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>