printk: Filter out libperfmgr informations

Since we dropped sched tune support, libperfmgr tries to write /dev/stune/top-app/schedtune.* node and dumping failure logs. So filter them out

Signed-off-by: Santhosh <santhosh.user.why.red@gmail.com>

kernel/printk/printk.c

@@ -830,7 +830,7 @@ static ssize_t devkmsg_write(struct kiocb *iocb, struct iov_iter *from)
 
 	if (strstr(line, "healthd") || strstr(line, "logd") ||
 	    strstr(line, "DM_DEV_STATUS") || strstr(line, "Untracked pid") ||
-	    strstr(line, "usb_gadget") || strstr(line, "LibBpfLoader"))
+	    strstr(line, "usb_gadget") || strstr(line, "LibBpfLoader") || strstr(line, "libperfmgr"))
 		return len;
 
 	printk_emit(facility, level, NULL, 0, "%s", line);