msm: socinfo: populate arch_read_hardware_id

Populate arch_read_hardware_id with msm specific implementation
to report correct hardware id under /proc/cpuinfo.

Change-Id: Ia28cad32d79945ee2c71ec1bbafa7370e49e3939
Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>
Signed-off-by: David Ng <dave@codeaurora.org>
leds: At disable, set the trigger to default instead of wiping it

Change-Id: Ifb4a3b3034c441d29fd1d9f209ed829adfc76a72