cpufreq: omap: Drop asm includes

The omap driver doesn't actually need asm/smp_plat.h, so drop it.
asm/cpu.h is not needed either as linux/cpu.h is already included.

Signed-off-by: Rob Herring (Arm) <[e-mail]>
Acked-by: Kevin Hilman <[e-mail]>
Signed-off-by: Viresh Kumar <[e-mail]>

drivers/cpufreq/omap-cpufreq.c

···
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
 
-#include <asm/smp_plat.h>
-#include <asm/cpu.h>
-
 /* OPP tolerance in percentage */
 #define	OPP_TOLERANCE	4