VMCI: Fix the description of vmci_check_host_caps()

vmci_check_host_caps() doesn't return a bool but an int.
Fix the description accordingly.

Fixes: 782f2445 ("VMCI: fix error handling path when registering guest driver")
Acked-by: NVishnu Dasa <vdasa@vmware.com>
Signed-off-by: NChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/c181bec88aab1145d3868d61b7e52d53923f8206.1645734041.git.christophe.jaillet@wanadoo.frSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/vmw_vmci/vmci_guest.c

@@ -253,9 +253,9 @@ static void vmci_guest_cid_update(u32 sub_id,
 
 /*
  * Verify that the host supports the hypercalls we need. If it does not,
- * try to find fallback hypercalls and use those instead.  Returns
- * true if required hypercalls (or fallback hypercalls) are
- * supported by the host, false otherwise.
+ * try to find fallback hypercalls and use those instead.  Returns 0 if
+ * required hypercalls (or fallback hypercalls) are supported by the host,
+ * an error code otherwise.
  */
 static int vmci_check_host_caps(struct pci_dev *pdev)
 {