cpufreq: integrator: fixed coding style issues

Fixed coding style issues found by checkpatch.pl tool. Changed
space indentation to tab, removed unneccesary braces, removed
space between MODULE macros and parentheses.

REMARKS: failed to 'make' this file with error message
'fatal error: asm/mach-types.h: No such file or directory'.

Signed-off-by: Cristian Ardelean <cristian97.ardelean@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>