video: Renname vbe.h to vesa.h

We want to use VBE to mean Verfiied Boot for Embedded in U-Boot. Rename
the existing VBE (Vesa BIOS extensions) to allow this.

Verified Boot for Embedded is documented doc/develop/vbe.rst

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/efi.c b/drivers/video/efi.c
index 5f9031f..d60b6e2 100644
--- a/drivers/video/efi.c
+++ b/drivers/video/efi.c
@@ -9,7 +9,7 @@
 #include <dm.h>
 #include <efi_api.h>
 #include <log.h>
-#include <vbe.h>
+#include <vesa.h>
 #include <video.h>
 
 struct pixel {