amlogic: Fix prefixes in the helpers file

The code is the common directory is now generic, no need to have the SoC
prefix hardcoded in the function names.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
Change-Id: Ied3a5e506b9abd4c2d6f893bafef50019bff24f1
diff --git a/plat/amlogic/gxl/gxl_def.h b/plat/amlogic/gxl/gxl_def.h
index 089fa8d..ced811d 100644
--- a/plat/amlogic/gxl/gxl_def.h
+++ b/plat/amlogic/gxl/gxl_def.h
@@ -79,9 +79,9 @@
 /*******************************************************************************
  * UART definitions
  ******************************************************************************/
-#define GXBB_UART0_AO_BASE			UL(0xC81004C0)
-#define GXBB_UART0_AO_CLK_IN_HZ			GXBB_OSC24M_CLK_IN_HZ
-#define GXBB_UART_BAUDRATE			U(115200)
+#define AML_UART0_AO_BASE			UL(0xC81004C0)
+#define AML_UART0_AO_CLK_IN_HZ			GXBB_OSC24M_CLK_IN_HZ
+#define AML_UART_BAUDRATE			U(115200)
 
 /*******************************************************************************
  * Memory-mapped I/O Registers