feat(xilinx): sync macro names

There is no reason to have platform specific macros where generic
macros can be used. This is pretty much preparation step for moving
console code to single location where multiple combinations can be
easier to handle.

Change-Id: I4d85ddef29f5870a9ea9590d4d1564469c6eb87e
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/plat/xilinx/zynqmp/include/plat_private.h b/plat/xilinx/zynqmp/include/plat_private.h
index 3526b94..dda005a 100644
--- a/plat/xilinx/zynqmp/include/plat_private.h
+++ b/plat/xilinx/zynqmp/include/plat_private.h
@@ -19,7 +19,7 @@
 uint32_t zynqmp_calc_core_pos(u_register_t mpidr);
 
 /* ZynqMP specific functions */
-uint32_t zynqmp_get_uart_clk(void);
+uint32_t get_uart_clk(void);
 uint32_t zynqmp_get_bootmode(void);
 
 #if ZYNQMP_WDT_RESTART