spl: sunxi: Drop spl_board_announce_boot_device()

This function is not used anymore. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/arm/mach-sunxi/board.c

@@ -247,15 +247,6 @@ u32 spl_boot_device(void)
 	return -1;		/* Never reached */
 }
 
-/*
- * Properly announce BOOT_DEVICE_BOARD as "FEL".
- * Overrides weak function from common/spl/spl.c
- */
-void spl_board_announce_boot_device(void)
-{
-	printf("FEL");
-}
-
 /* No confirmation data available in SPL yet. Hardcode bootmode */
 u32 spl_boot_mode(const u32 boot_device)
 {