amlogic: Fix prefixes in the thermal driver

No need to have a special SoC-specific prefix.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
Change-Id: I0da543e7d92d56604e79440a98027ffd9a2eaa59
diff --git a/plat/amlogic/gxl/gxl_bl31_setup.c b/plat/amlogic/gxl/gxl_bl31_setup.c
index d44b9aa..fbfb76a 100644
--- a/plat/amlogic/gxl/gxl_bl31_setup.c
+++ b/plat/amlogic/gxl/gxl_bl31_setup.c
@@ -158,5 +158,5 @@
 
 	gxl_scp_boot();
 
-	gxbb_thermal_unknown();
+	aml_thermal_unknown();
 }