scsi: ufs: UIC timeout while reading sysfs entry

As a part of sysfs reading of descriptors/attributes/flags, query commands
should only be executed when hba's power runtime status is active. To
guarantee this, add pm_runtime_get/put_sync() calls to those paths where
query commands are sent.

Change-Id: Ieb924efd3159c7422e50bb69ecf70b369ec72d89
Signed-off-by: Nitin Rawat <nitirawa@codeaurora.org>