[PATCH] docs: fix 'make htmldocs' error in vgaarbiter.rst

[Wan Jiabing <wanjiabing@xxxxxxxx>]

Fix following 'make htmldocs' error:
Error: Cannot open file ./drivers/gpu/vga/vgaarb.c
Error: Cannot open file ./drivers/gpu/vga/vgaarb.c
WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version
2.4.4 -export ./drivers/gpu/vga/vgaarb.c' failed with return code 2

Fixes: d6e1898bfa5b ("PCI/VGA: Move vgaarb to drivers/pci")
Signed-off-by: Wan Jiabing <wanjiabing@xxxxxxxx>
---
 Documentation/gpu/vgaarbiter.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/gpu/vgaarbiter.rst b/Documentation/gpu/vgaarbiter.rst
index 339ed5fecd2e..bde3c0afb059 100644
--- a/Documentation/gpu/vgaarbiter.rst
+++ b/Documentation/gpu/vgaarbiter.rst
@@ -100,7 +100,7 @@ In-kernel interface
 .. kernel-doc:: include/linux/vgaarb.h
    :internal:
 
-.. kernel-doc:: drivers/gpu/vga/vgaarb.c
+.. kernel-doc:: drivers/pci/vgaarb.c
    :export:
 
 libpciaccess
-- 
2.35.1