Makefile: remove extra include paths in INCLUDES

Now it is needed to use the full path of the common header files.

Commit 09d40e0e

 ("Sanitise includes across codebase") provides more
information.

Change-Id: Ifedc79d9f664d208ba565f5736612a3edd94c647
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>

plat/nvidia/tegra/soc/t210/plat_sip_calls.c

@@ -11,8 +11,8 @@
 #include <common/debug.h>
 #include <common/runtime_svc.h>
 #include <errno.h>
-#include <mmio.h>
-#include <utils_def.h>
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
 
 #include <memctrl.h>
 #include <pmc.h>

services/spd/trusty/trusty.c

@@ -5,9 +5,9 @@
  */
 
 #include <assert.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
 #include <stdbool.h>
 #include <string.h>
-#include <xlat_tables_v2.h>
 
 #include <arch_helpers.h>
 #include <bl31/bl31.h>