amlogic: Fix prefixes in the SCPI related code

Add a new aml_* prefix to the SCPI related function calls.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
Change-Id: I697812ac1c0df28cbb639a1dc3e838f1107fb739
diff --git a/plat/amlogic/gxbb/gxbb_pm.c b/plat/amlogic/gxbb/gxbb_pm.c
index 0d542a5..20f655a 100644
--- a/plat/amlogic/gxbb/gxbb_pm.c
+++ b/plat/amlogic/gxbb/gxbb_pm.c
@@ -52,7 +52,7 @@
 
 	mmio_write_32(GXBB_AO_RTI_STATUS_REG3, status);
 
-	int ret = scpi_sys_power_state(SCPI_SYSTEM_REBOOT);
+	int ret = aml_scpi_sys_power_state(SCPI_SYSTEM_REBOOT);
 
 	if (ret != 0) {
 		ERROR("BL31: PSCI_SYSTEM_RESET: SCP error: %u\n", ret);
@@ -69,7 +69,7 @@
 {
 	INFO("BL31: PSCI_SYSTEM_OFF\n");
 
-	unsigned int ret = scpi_sys_power_state(SCPI_SYSTEM_SHUTDOWN);
+	unsigned int ret = aml_scpi_sys_power_state(SCPI_SYSTEM_SHUTDOWN);
 
 	if (ret != 0) {
 		ERROR("BL31: PSCI_SYSTEM_OFF: SCP error %u\n", ret);
@@ -103,8 +103,8 @@
 	}
 
 	gxbb_program_mailbox(mpidr, gxbb_sec_entrypoint);
-	scpi_set_css_power_state(mpidr,
-				 SCPI_POWER_ON, SCPI_POWER_ON, SCPI_POWER_ON);
+	aml_scpi_set_css_power_state(mpidr,
+				     SCPI_POWER_ON, SCPI_POWER_ON, SCPI_POWER_ON);
 	dmbsy();
 	sev();
 
@@ -144,8 +144,8 @@
 	if (core == AML_PRIMARY_CPU)
 		return;
 
-	scpi_set_css_power_state(mpidr,
-				 SCPI_POWER_OFF, SCPI_POWER_ON, SCPI_POWER_ON);
+	aml_scpi_set_css_power_state(mpidr,
+				     SCPI_POWER_OFF, SCPI_POWER_ON, SCPI_POWER_ON);
 }
 
 static void __dead2 gxbb_pwr_domain_pwr_down_wfi(const psci_power_state_t