plat/arm: scmi: Move to drivers/ folder

Change-Id: I8989d2aa0258bf3b50a856c5b81532d578600124
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/plat/arm/board/juno/juno_pm.c b/plat/arm/board/juno/juno_pm.c
index 4864f48..cc80651 100644
--- a/plat/arm/board/juno/juno_pm.c
+++ b/plat/arm/board/juno/juno_pm.c
@@ -4,10 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#include <drivers/arm/css/scmi.h>
 #include <plat/arm/common/plat_arm.h>
 
-#include <scmi.h>
-
 const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops)
 {
 #if CSS_USE_SCMI_SDS_DRIVER