ppc: Remove console_addr from global data

This does not appear to be used, so punt it.

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

arch/powerpc/include/asm/global_data.h

@@ -150,12 +150,6 @@ typedef	struct	global_data {
 	unsigned long	have_console;	/* serial_init() was called		*/
 #ifdef CONFIG_PRE_CONSOLE_BUFFER
 	unsigned long	precon_buf_idx;	/* Pre-Console buffer index */
-#endif
-#if defined(CONFIG_A3000)	|| \
-    defined(CONFIG_HIDDEN_DRAGON)  || \
-    defined(CONFIG_MUSENKI)	||  \
-    defined(CONFIG_SANDPOINT)
-	void *		console_addr;
 #endif
 	unsigned long	relocaddr;	/* Start address of U-Boot in RAM */
 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)