staging: vc04_services: vchiq_dev: Use %p to log pointer address

Solves the following Smatch warnings:
vchiq_release() warn: argument 7 to %lx specifier is cast from pointer

%p will print the hashed pointer to dynamic debug.
In order to print the unmodified pointer address, one can use the
`no_hash_pointers` via kernel parameters.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Link: https://lore.kernel.org/r/20231207083837.153843-3-umang.jain@ideasonboard.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c

@@ -1201,7 +1201,7 @@ static int vchiq_release(struct inode *inode, struct file *file)
 	int ret = 0;
 	int i;
 
-	dev_dbg(state->dev, "arm: instance=%lx\n", (unsigned long)instance);
+	dev_dbg(state->dev, "arm: instance=%p\n", instance);
 
 	if (!state) {
 		ret = -EPERM;