smartpqi: Avoid declaring extern inline functions

Each C file is compiled separately so these functions can't be inlined
except in the file where they are defined.  Since these functions aren't
used outside smartpqi_request.c, just do the simple thing and make them
private to that file.

Reported by:	gcc
Reviewed by:	jrhall
Fixes:		c558eca479 ("smartpqi: update to version 4660.0.2002")
Differential Revision:	https://reviews.freebsd.org/D54732

sys/dev/smartpqi/smartpqi_prototypes.h

@@ -167,10 +167,6 @@ int pqisrc_send_tmf(pqisrc_softstate_t *, pqi_scsi_dev_t const *,
                     rcb_t *, rcb_t *, int);
 int pqisrc_write_current_time_to_host_wellness(pqisrc_softstate_t *softs);
 int pqisrc_write_driver_version_to_host_wellness(pqisrc_softstate_t *softs);
-extern inline void pqisrc_aio_build_cdb(aio_req_locator_t *, uint32_t,
-		rcb_t *, uint8_t *);
-extern inline boolean_t pqisrc_aio_req_too_big(pqisrc_softstate_t *, pqi_scsi_dev_t *,
-		rcb_t const *, aio_req_locator_t *, uint32_t);
 void pqisrc_build_aio_common(pqisrc_softstate_t *, pqi_aio_req_t *,
 	rcb_t *, uint32_t);
 void pqisrc_build_aio_R1_write(pqisrc_softstate_t *,

sys/dev/smartpqi/smartpqi_request.c

@@ -1492,7 +1492,7 @@ pqisrc_handle_blk_size_diffs(aio_req_locator_t *l)
  * handle based on dev type, Raid level, and encryption status.
  * TODO: make limits dynamic when this becomes possible.
  */
-inline boolean_t
+static boolean_t
 pqisrc_aio_req_too_big(pqisrc_softstate_t *softs,
 	pqi_scsi_dev_t *device, rcb_t const *rcb,
 	aio_req_locator_t *l, uint32_t disk_blk_cnt)
@@ -1636,7 +1636,7 @@ pqisrc_aio_show_locator_info(pqisrc_softstate_t *softs,
 }
 
 /* build the aio cdb */
-inline void
+static void
 pqisrc_aio_build_cdb(aio_req_locator_t *l,
 		uint32_t disk_blk_cnt, rcb_t *rcb, uint8_t *cdb)
 {