libata: make atapi_request_sense() use sg
libata: make atapi_request_sense() use sg

atapi_request_sense() is now the only left user of ata_sg_init_one().
Convert it to use sg interface.

Signed-off-by: Tejun Heo <ccfba69985e72fbcd9ba8bbb6db43d42971ad06d@gmail.com>
Cc: Rusty Russel <df9728c9e5104131c08c7adb03af425394842596@rustcorp.com.au>
Signed-off-by: Jeff Garzik <f3e731dfa293c7a83119d8aacfa41b5d2d780be9@garzik.org>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs