Driver: hv: vmbus: Make mmio resource local

This fixes a sparse warning because hyperv_mmio resources
are only used in this one file and should be static.
Signed-off-by: NStephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/hv/vmbus_drv.c

@@ -105,8 +105,8 @@ static struct notifier_block hyperv_panic_block = {
 
 static const char *fb_mmio_name = "fb_range";
 static struct resource *fb_mmio;
-struct resource *hyperv_mmio;
-DEFINE_SEMAPHORE(hyperv_mmio_lock);
+static struct resource *hyperv_mmio;
+static DEFINE_SEMAPHORE(hyperv_mmio_lock);
 
 static int vmbus_exists(void)
 {