remoteproc: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220818210059.7253-1-wsa+renesas@sang-engineering.com

drivers/remoteproc/qcom_sysmon.c

@@ -388,7 +388,7 @@ static void ssctl_send_event(struct qcom_sysmon *sysmon,
 	}
 
 	memset(&req, 0, sizeof(req));
-	strlcpy(req.subsys_name, event->subsys_name, sizeof(req.subsys_name));
+	strscpy(req.subsys_name, event->subsys_name, sizeof(req.subsys_name));
 	req.subsys_name_len = strlen(req.subsys_name);
 	req.event = event->ssr_event;
 	req.evt_driven_valid = true;