cpufreq: intellidemand: Fix optimal_freq logic on ramp down

When ondemand governor decides to ramp down the frequency, the missing
check for frequency being lower than optimal_freq was causing frequency
to be ramped down to optimal_freq even if the frequency decided by ondemand
governor was higher.

Change-Id: I00f9ae4c61ccda4039f3338dee2c29b8cb790be4
Signed-off-by: Veena Sambasivan <veenas@codeaurora.org>
Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: aatjitra <aatjitra@gmail.com>
intellidemand: enable sec_touchscreen input boosting

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: aatjitra <aatjitra@gmail.com>

Conflicts:
	drivers/cpufreq/cpufreq_intellidemand.c