memstick: core: fix kernel-doc notation

memstick: core: fix kernel-doc notation

Use the correct kernel-doc format for function parameters (':'
instead of '-') to eliminate kernel-doc warnings.
Add some "Returns:" notations to functions.

memstick.c:206: warning: Function parameter or struct member 'host' not described in 'memstick_detect_change'
memstick.c:222: warning: Function parameter or struct member 'host' not described in 'memstick_next_req'
memstick.c:222: warning: Function parameter or struct member 'mrq' not described in 'memstick_next_req'
memstick.c:248: warning: Function parameter or struct member 'host' not described in 'memstick_new_req'
memstick.c:265: warning: Function parameter or struct member 'mrq' not described in 'memstick_init_req_sg'
memstick.c:265: warning: Function parameter or struct member 'tpc' not described in 'memstick_init_req_sg'
memstick.c:265: warning: Function parameter or struct member 'sg' not described in 'memstick_init_req_sg'
memstick.c:295: warning: Function parameter or struct member 'mrq' not described in 'memstick_init_req'
memstick.c:295: warning: Function parameter or struct member 'tpc' not described in 'memstick_init_req'
memstick.c:295: warning: Function parameter or struct member 'buf' not described in 'memstick_init_req'
memstick.c:295: warning: Function parameter or struct member 'length' not described in 'memstick_init_req'
memstick.c:366: warning: Function parameter or struct member 'card' not described in 'memstick_set_rw_addr'
memstick.c:513: warning: Function parameter or struct member 'host' not described in 'memstick_add_host'
memstick.c:549: warning: Function parameter or struct member 'host' not described in 'memstick_remove_host'
memstick.c:571: warning: Function parameter or struct member 'host' not described in 'memstick_free_host'
memstick.c:582: warning: Function parameter or struct member 'host' not described in 'memstick_suspend_host'
memstick.c:594: warning: Function parameter or struct member 'host' not described in 'memstick_resume_host'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: Alex Dubov <oakad@yahoo.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc@vger.kernel.org
Link: https://lore.kernel.org/r/20250111063230.910945-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>