dm mpath: hp requires scsi

With CONFIG_SCSI=n __scsi_print_sense() is never linked in.

drivers/built-in.o: In function `hp_sw_end_io':
dm-mpath-hp-sw.c:(.text+0x914f8): undefined reference to `__scsi_print_sense'

Caught with a randconfig on current git.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
Signed-off-by: NAlasdair G Kergon <agk@redhat.com>

drivers/md/Kconfig

@@ -269,7 +269,7 @@ config DM_MULTIPATH_RDAC
 
 config DM_MULTIPATH_HP
         tristate "HP MSA multipath support (EXPERIMENTAL)"
-        depends on DM_MULTIPATH && BLK_DEV_DM && EXPERIMENTAL
+        depends on DM_MULTIPATH && BLK_DEV_DM && SCSI && EXPERIMENTAL
         ---help---
           Multipath support for HP MSA (Active/Passive) series hardware.