pld: add support for altera/intel devices

Change-Id: I7977d39c9037ae71139f78c8d381f5f925dc3489
Signed-off-by: Daniel Anselmi <danselmi@gmx.ch>
Reviewed-on: https://review.openocd.org/c/openocd/+/7355
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

src/pld/pld.c

@@ -19,11 +19,13 @@
 /* pld drivers
  */
 extern struct pld_driver efinix_pld;
+extern struct pld_driver intel_pld;
 extern struct pld_driver lattice_pld;
 extern struct pld_driver virtex2_pld;
 
 static struct pld_driver *pld_drivers[] = {
 	&efinix_pld,
+	&intel_pld,
 	&lattice_pld,
 	&virtex2_pld,
 	NULL,