staging: vchiq_arm: clarify multiplication expressions

Add spaces around '*' in multiplication expressions to enhance
readability.

Reported by checkpatch.pl
Signed-off-by: Gaston Gonzalez <gascoar@gmail.com>
Link: https://lore.kernel.org/r/20210919215914.539805-4-gascoar@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

@@ -466,8 +466,8 @@ int vchiq_platform_init(struct platform_device *pdev, struct vchiq_state *state)
 
 	g_free_fragments = g_fragments_base;
 	for (i = 0; i < (MAX_FRAGMENTS - 1); i++) {
-		*(char **)&g_fragments_base[i*g_fragments_size] =
-			&g_fragments_base[(i + 1)*g_fragments_size];
+		*(char **)&g_fragments_base[i * g_fragments_size] =
+			&g_fragments_base[(i + 1) * g_fragments_size];
 	}
 	*(char **)&g_fragments_base[i * g_fragments_size] = NULL;
 	sema_init(&g_free_fragments_sema, MAX_FRAGMENTS);