UPSTREAM: staging: gasket: fix typo in gasket_core.h comments

Grammar fixup in gasket_core.h comments describing struct
gasket_interrupt_desc.

BUG=b:79253135
TEST=none
CQ-DEPEND=CL:1155737

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 920953ab4ed51fb2c971822dc593ca132913a4d2)
Signed-off-by: Zhongze Hu <frankhu@google.com>

Change-Id: I5bcc623833cf6713e7d8aff1a375db85f63dcb4e
Reviewed-on: https://chromium-review.googlesource.com/1155742
Commit-Ready: Zhongze Hu <frankhu@google.com>
Tested-by: Zhongze Hu <frankhu@google.com>
Reviewed-by: Dmitry Torokhov <dtor@chromium.org>
diff --git a/drivers/staging/gasket/gasket_core.h b/drivers/staging/gasket/gasket_core.h
index e51acad..94a5537 100644
--- a/drivers/staging/gasket/gasket_core.h
+++ b/drivers/staging/gasket/gasket_core.h
@@ -56,7 +56,7 @@
 
 /* Used to describe a Gasket interrupt. Contains an interrupt index, a register,
  * and packing data for that interrupt. The register and packing data
- * fields is relevant only for PCI_MSIX interrupt type and can be
+ * fields are relevant only for PCI_MSIX interrupt type and can be
  * set to 0 for everything else.
  */
 struct gasket_interrupt_desc {